WO2019043391A1

WO2019043391A1 - Dischargeable mobile computing device, method and computer program product

Info

Publication number: WO2019043391A1
Application number: PCT/GB2018/052454
Authority: WO
Inventors: David Boulton; Kit NEWELL
Original assignee: Bullitt Group Ltd
Current assignee: Bullitt Group Ltd
Priority date: 2017-08-30
Filing date: 2018-08-30
Publication date: 2019-03-07
Anticipated expiration: 2020-02-29

Abstract

There is disclosed a mobile computing device, the mobile computing device including a first battery, a processor and a memory, the mobile computing device connectable to a device including a second battery, the first battery dischargeable to the second battery when the mobile computing device is in connection with the device; wherein the processor is configured to permit or to refuse discharging of the first battery to the second battery when the mobile computing device is in connection with the device; wherein the processor is configured to receive a minimum level of the first battery required to permit discharging of the first battery to the second battery when the mobile computing device is in connection with the device, and to store the minimum level in the memory; wherein the processor is configured to prevent discharging the first battery to the second battery when the level of the first battery is less than the minimum level of the first battery stored in the memory. Related devices, methods and computer program products are also disclosed

Description

DISCHARGEABLE MOBILE COMPUTING DEVICE, METHOD AND COMPUTER PROGRAM PRODUCT

BACKGROUND OF THE INVENTION

1. Field of the Invention

The field of the invention relates to mobile computing devices including a battery which is arranged to discharge to a battery of another device, and to related methods and computer program products.

2. Technical Background

Mobile computing devices, such as mobile phones, smartphones and tablet computers, are ubiquitous in modern everyday life, but unless they are connected to a source of mains power, they can only be used while they have charge remaining in their battery. It is quite common to encounter a person who has run out of charge on their mobile phone, or on their smartphone, for example, and who may be slightly distressed or annoyed as a result.

This patent specification describes not only various ideas and functions, but also their creative expression. A portion of the disclosure of this patent document therefore contains material to which a claim for copyright is made and notice is hereby given: Copyright Bullitt Group Limited 2017 and 2018 (e.g. pursuant to 17 U.S.C. 401). A claim to copyright protection is made to all protectable expression associated with the embodiments of the invention illustrated and described in this patent application.

The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but otherwise reserves all copyright rights whatsoever. No express or implied licence under any copyright whatsoever is therefore granted.

3. Discussion of Related Art The Universal Serial Bus (USB) On-The-Go (OTG) standard allows for a host device to charge a connected device via USB, but the connected device will continue to draw power until the host device battery is depleted. A user could easily forget that they connected a device to their host device and could unintentionally deplete their host device battery, or reduce the charge level in the battery to a level in which it should only be used in emergencies, to conserve the low battery level.

There is no known software application that allows the user to end USB charging before the host battery is depleted. At present, it is up to the user to manually stop the charging before the battery is depleted.

SUMMARY OF THE INVENTION

According to a first aspect of the invention, there is provided a mobile computing device, the mobile computing device including a first battery, a processor and a memory, the mobile computing device connectable to a device including a second battery, the first battery dischargeable to the second battery when the mobile computing device is in connection with the device;

wherein the processor is configured to permit or to refuse discharging of the first battery to the second battery when the mobile computing device is in connection with the device; wherein the processor is configured to receive a minimum level of the first battery required to permit discharging of the first battery to the second battery when the mobile computing device is in connection with the device, and to store the minimum level in the memory;

wherein the processor is configured to prevent discharging the first battery to the second battery when the level of the first battery is less than the minimum level of the first battery stored in the memory.

An advantage is that the first battery will not discharge below a predefined level, which prevents the first battery level becoming so low that the mobile computing device can no longer operate, or is close to running out of charge so that the mobile computing device is close to being unable to operate.

The device including the second battery is typically a mobile device. The mobile computing device may be one wherein the mobile computing device is connectable to the device including the second battery via a cable (e.g. a USB cable). An advantage is that the cable may be replaced if damaged. An advantage is that heat may be readily dissipated from the cable during charging. The mobile computing device may be one wherein the mobile computing device is configured to receive a first selectable input of a level of the mobile computing device battery at which discharging to a connected device must stop. An advantage is that levels outside of the provided selectable levels cannot be selected. The mobile computing device may be one wherein the first selectable input of a level of the mobile computing device battery at which discharging to a connected device must stop is user selectable, or is selectable from a remote server in connection with the mobile computing device. An advantage is that a user may select the level according to their preferences. An advantage is that an employer may select the level for an employee's device, according to the employer's preferences.

The mobile computing device may be one wherein the mobile computing device is configured to receive a second selectable input of a level of the connected device battery at which discharging to the connected device must stop. An advantage is that the charging of the connected device's battery may be limited, to preserve charge on the battery of the mobile computing device.

The mobile computing device may be one wherein the second selectable input of a level of the connected device battery at which discharging must stop is user selectable, or is selectable from a remote server in connection with the mobile computing device. An advantage is that a user may select the level according to their preferences. An advantage is that an employer may select the level for an employee's device, according to the employer's preferences.

The mobile computing device may be one wherein the mobile computing device includes a screen.

The mobile computing device may be one wherein the first selectable input is a slidable input which is slidable on the screen. An advantage is that user input is made more understandable for users who are not adept with numerical quantities.

The mobile computing device may be one wherein the second selectable input is a slidable input which is slidable on the screen. An advantage is that user input is made more understandable for users who are not adept with numerical quantities.

The mobile computing device may be one wherein the mobile computing device displays on the screen a button or icon which is selectable to start discharging to the connected device. The mobile computing device may be one wherein the mobile computing device displays on the screen a button or icon which is selectable to stop discharging to the connected device.

The mobile computing device may be one wherein the screen displays a graphic of the first battery, and a graphical indication of the minimum level of the first battery. An advantage is that data output is made more understandable for users who are not adept with numerical quantities.

The mobile computing device may be one wherein the screen includes a graphic of the first battery including Battery Percentage, or the screen displays Battery Approximate time remaining. The mobile computing device may be one wherein the screen is a touchscreen.

The mobile computing device may be one wherein the mobile computing device is configured to receive a selection of a charging mode eg. a quick charging mode, or a standard charging mode. An advantage is that a user may select a charging mode according to the user's needs.

The mobile computing device may be one wherein the mobile computing device provides a selectable option to provide rapid charging, in which the mobile computing device is shut down, to enable the maximum current output, because the mobile computing device itself is drawing no current. An advantage is faster charging of the second battery.

The mobile computing device may be one wherein a special charging cable is provided to provide higher output charging, eg. a short (eg. less than 50 cm or 30 cm in length) and/or thick (eg. conductor thickness greater than 0.640 mm, or greater than 0.70 mm) cable with lower Joule losses. An advantage is faster charging of the second battery.

The mobile computing device may be one wherein when charging in an Off state, no graphics are provided on the mobile computing device screen. An advantage is faster charging of the second battery.

The mobile computing device may be one wherein for charging in an ON State, attaching a device displays some or all of the following information: Switch to specify master/slave; Device is attached and is being charged; Discharge information - current being supplied; Graphic and/ or text illustrating impact to main battery percentage and stand-by time remaining when connected to this device; Option to set discharge budget, e.g. a slider on main battery graphic that defines the cut-off point to stop charging the attached device.

The mobile computing device may be one wherein an Option is provided to enable 'main device power saving mode': this will turn off some uses of power (eg. radios etc) to limit the amount of power that the host is using during the charging event. An advantage is faster charging of the second battery.

The mobile computing device may be one wherein the mobile computing device is configured to protect the first battery and prevent, limit or advise about actions that could harm the first battery. The mobile computing device may be one wherein battery information is obtained from a connected device.

The mobile computing device may be one wherein the mobile computing device is configured to show an impact to the connected device battery percentage after a charging event.

The mobile computing device may be one wherein the mobile computing device is not connected to a mains power source. The mobile computing device may be one including a suitable mobile computing device button, wherein charging continues in the background in response to the suitable mobile computing device button, such as a back button or a HOME button, being selected.

The mobile computing device may be one wherein charging continues in the background until the discharge limit is reached, or until the cable is removed, or until a user kills the task, or until the user returns to the App.

The mobile computing device may be one wherein the mobile computing device provides one or more of: Bluetooth connectivity; Wi-Fi connectivity; GPS support; 2G Band; 3G Band; 4G Band.

The mobile computing device may be one wherein the mobile computing device includes one or more of the following sensors: Proximity sensor; Ambient light sensor; E- compass; Accelerometer; Location.

The mobile computing device may be one wherein the processor executes a software application.

The mobile computing device may be one wherein the processor executes a downloadable software application.

The mobile computing device may be one wherein the mobile computing device includes an operating system such as Apple iOS, Android, Symbian, Blackberry OS, or Windows OS.

The mobile computing device may be one wherein the mobile computing device is a personal device.

The mobile computing device may be one wherein the mobile computing device is a portable device.

The mobile computing device may be one wherein the mobile computing device is a smartphone, a mobile phone, a tablet computer, a laptop computer, a portable navigation device, a notebook computer, or an on-board vehicle computer system.

The mobile computing device may be one wherein the vehicle is a bicycle, a motorbike, an automobile, an aircraft or a ship. The mobile computing device may be one wherein the mobile computing device is a smartphone.

The mobile computing device may be one wherein the smartphone is a rugged smartphone.

The mobile computing device may be one wherein the rugged smartphone includes one or more of: dust proofing; a scratch resistant display; water proofing; a drop-proof phone. The mobile computing device may be one wherein the smartphone features include one or more of: a sunlight readable display; a touchscreen that can be controlled with wet fingers; usable with gloves.

The mobile computing device may be one wherein the smartphone features include one or more of: IP68 and Military Standard 81 OG; waterproof to 2m depth for 1 hour; Shock and drop proof; Salt fog, sand, dust, dirt, vibration and pressure resistant; Operating Temperatures include -25°C (-13°F) to 55°C (131°F); Category 4 Vibration standard. The mobile computing device may be one wherein the smartphone features include DROP-PROOF e.g. to 1.8m, e.g. onto concrete.

The mobile computing device may be one wherein the smartphone is not slim. The mobile computing device may be one wherein screen displays split screen (e.g. Android N split screen) to enable a user to keep in view with other apps.

The mobile computing device may be one wherein the first battery is at least 4000 mAh capacity, or is at least 5000 mAh capacity.

The mobile computing device may be one wherein the battery capacity is less than 10 Ah, or is less than 20 Ah, or is less than 30 Ah, or is less than 50 Ah.

According to a second aspect of the invention, there is provided a method of discharging a first battery of a mobile computing device, the mobile computing device including the first battery, a processor and a memory, the mobile computing device in connection with a device including a second battery, wherein the first battery is dischargeable to the second battery through the connection, the method including the steps of:

(i) the processor receiving a minimum level of the first battery required to permit discharging of the first battery to the second battery when the mobile computing device is in connection with the device, and the processor storing the minimum level in the memory;

(ii) the processor preventing discharging the first battery to the second battery, when the level of the first battery is less than the minimum level of the first battery stored in the memory.

The method may be one including the step of the mobile computing device establishing a communications connection to the device including the second battery.

The method may be one including the step of the mobile computing device receiving a first selectable input of a level of the mobile computing device battery at which discharging to a connected device must stop. The method may be one including the step of the mobile computing device receiving a second selectable input of a level of the connected device battery at which discharging to the connected device must stop.

The method may be one including the step of the mobile computing device displaying on a screen a button or icon which is selectable to start discharging to the connected device.

The method may be one including the step of the mobile computing device displaying on a screen a button or icon which is selectable to stop discharging to the connected device. The method may be one including the step of the mobile computing device receiving a selection of a charging mode eg. a quick charging mode, or a standard charging mode.

The method may be one including the step of the mobile computing device receiving battery information from the connected device. The method may be one including the step of using a mobile computing device of any aspect according to a first aspect of the invention. According to a third aspect of the invention, there is provided a computer program product executable on a processor of a mobile computing device, the mobile computing device including a first battery, the processor and a memory, the mobile computing device in connection with a device including a second battery, wherein the first battery is dischargeable to the second battery through the connection, the computer program product executable on the processor to:

(i) receive a minimum level of the first battery required to permit discharging of the first battery to the second battery when the mobile computing device is in connection with the device,

(ii) store the minimum level in the memory;

(iii) prevent discharging the first battery to the second battery, when the level of the first battery is less than the minimum level of the first battery stored in the memory.

The computer program product may be further executable to perform a method of any aspect of the second aspect of the invention.

According to a fourth aspect of the invention, there is provided a mobile computing device, the mobile computing device including a first battery, a processor and a memory, the mobile computing device connectable to a device including a second battery, the first battery dischargeable to the second battery when the mobile computing device is in connection with the device;

wherein the processor is configured to permit or to refuse discharging of the first battery to the second battery when the mobile computing device is in connection with the device; wherein the processor is configured to receive a maximum level of the second battery required to permit discharging of the first battery to the second battery when the mobile computing device is in connection with the device, and to store the maximum level in the memory;

wherein the processor is configured to prevent discharging the first battery to the second battery when the level of the second battery is greater than the maximum level of the second battery stored in the memory. According to a fifth aspect of the invention, there is provided a method of discharging a first battery of a mobile computing device, the mobile computing device including the first battery, a processor and a memory, the mobile computing device in connection with a device including a second battery, wherein the first battery is dischargeable to the second battery through the connection, the method including the steps of:

(i) the processor receiving a maximum level of the second battery required to permit discharging of the first battery to the second battery when the mobile computing device is in connection with the device, and the processor storing the maximum level in the memory;

(ii) the processor preventing discharging the first battery to the second battery, when the level of the second battery is greater than the maximum level of the second battery stored in the memory. According to a sixth aspect of the invention, there is provided a computer program product executable on a processor of a mobile computing device, the mobile computing device including a first battery, the processor and a memory, the mobile computing device in connection with a device including a second battery, wherein the first battery is dischargeable to the second battery through the connection, the computer program product executable on the processor to:

(i) receive a maximum level of the second battery required to permit discharging of the first battery to the second battery when the mobile computing device is in connection with the device,

(ii) store the maximum level in the memory;

(iii) prevent discharging the first battery to the second battery, when the level of the second battery is greater than the maximum level of the second battery stored in the memory. BRIEF DESCRIPTION OF THE FIGURES

Aspects of the invention will now be described, by way of example(s), with reference to the following Figures, in which:

Figure 1 shows an example implementation of a powershare application on a smartphone and in which the charging cable is a USB cable.

Figure 2 shows an example of a battery share mode on a smartphone, in which the smartphone is configured to receive a selectable input of a level of the smartphone battery at which discharging to a connected device must stop, the smartphone device displaying a button or icon which is selectable to start discharging to a connected device. Figure 3 shows an example of a battery share mode on a smartphone, in which the smartphone is configured to receive a selectable input of a level of the smartphone battery at which discharging to a connected device must stop, the smartphone device displaying a button or icon which is selectable to stop discharging to a connected device. Figure 4 shows an example of a battery pack mode on a smartphone, in which the smartphone is configured to receive a selectable input of a level of the connected device battery at which discharging to the connected device must stop, the smartphone device displaying a button or icon which is selectable to start discharging to the connected device.

Figure 5 shows an example of a battery pack mode on a smartphone, in which the smartphone is configured to receive a selectable input of a level of a connected device battery at which discharging to the connected device must stop, the smartphone device displaying a button or icon which is selectable to stop discharging to the connected device.

Figure 6 shows an example of a battery pack mode on a mobile computing device screen, in which the mobile computing device is configured to receive a selectable input of a level of a connected device battery at which discharging to the connected device must stop, the mobile computing device screen displaying a button or icon which is selectable to stop discharging to the connected device.

Figure 7 shows a schematic example in which the smartphone on the left hand side of the Figure is executing an application, in which the application has received a selection (e.g. a user selection) of a fraction (50%) of the maximum charge storable on the other device (on the right hand side of the Figure) at which to stop charging the other device. Figure 8 shows an example of an App Toolbox screen. Figure 9 shows example views of an example smartphone. Figure 10 shows example views of an example smartphone.

DETAILED DESCRIPTION

Configurable battery power sharing application. In an example, an application executing on a mobile computing device controls the amount of host battery power that can be drawn from the host device by a connected device. In an example, this is achieved by allowing the user (or other control mechanism) to set a charging budget for the connected device. For example, the user can specify that a connected device will charge until the host battery reaches 30% capacity. In this example, if the host device starts with 100% battery charge, then the power budget would be 70% of the host battery charge.

The Universal Serial Bus (USB) On-The-Go (OTG) standard allows for a host device to charge a connected device via USB, but the connected device will continue to draw power until the host device battery is depleted. A user could easily forget that they connected a device to their host device and could unintentionally deplete their host device battery. In an example, this invention allows the user to specify the host device battery level at which the charging is stopped, thus ensuring that they will have enough host device battery charge to continue using their device.

There is no known software application that allows the user to end USB charging before the host battery is depleted. At present, it is up to the user to manually stop the charging before the battery is depleted. In an example, the present invention allows the user to charge connected devices without having to monitor the status of the host battery.

What are example uses cases for the invention?

Charging one battery powered device using another battery powered device, where there is a requirement to maintain a certain amount of charge in the host device.

Could examples of the invention be used in other industries? If so, where?

Answer: Any battery powered device that has the facility to:

1. Run software applications that allow the user to configure the device. 2. Allow the connection of other battery powered devices.

Example Configurable battery power sharing applications Basic Functionalit /Features

In an example for Android operating systems, the App should support Android N split screen to enable a user to keep in view with other apps. In an example, an App opens showing a battery graphic and information such as the Settings /Battery screen (should all be available in a standard battery manager application programming interface (API)), for example: o Battery Percentage full

o Battery Approximate time remaining

In an example, an App settings include: o Main battery cut off for charging connected devices, e.g. always stop charging when main battery gets to 30% of a full charge.

In an example, a User should be advised to use a special charging cable to get higher output charging. In an example, a User is presented with the option for 'Turn device for rapid charge?'. If selected, this allows maximum current output of (eg. 1.5A), and will basically just shut the device down, to enable the maximum current output, because the device itself is drawing no current. What options and graphics are possible in the charging in an Off state? In an example, when charging in an Off state, no graphics are provided.

In an example, for charging in an ON State: Attaching a device may display some or all of the following information (e.g. Android can detect when device is supplying power to other device) o Switch to specify master/ slave (relevant for connection to other devices supporting OTG)

o Device is attached and is being charged

o Discharge information - current being supplied

o Graphic and/ or text illustrating impact to main battery percentage and stand-by time remaining when connected to this device, e.g. attached device is drawing 1A, main battery will be at x%/ standby time after 30 mins.

o Option to set discharge budget, e.g. a slider on main battery graphic that defines the cut-off point to stop charging the attached device.

In an example, adjusting the discharge budget shows another graphic (and/or text) of charge that will be delivered to attached device, e.g. 1A for 30mins will be 500mAh of charge (but one should factor in power loss, for accuracy). o In an example, an Option is provided to enable 'main device power saving mode': this will turn off some uses of power (eg. radios etc) to limit the amount of power that the host is using during the charging event.

o In an example, a Sound and/or visual notification is provided when a power charging event is completed.

In an example, Battery protection is considered. o In an example, the app should protect the main battery and prevent, limit or advise about actions that could harm the battery. For example, the following may be considered:

• Temperature

• Over use of high output discharging

· The App needs to be translated for all system languages.

Examples:

Battery information is obtained from a connected device. This allows for more information to be displayed when that device is connected, for example showing impact to the connected device battery percentage after a charging event.

Example implementations of a powershare application on example mobile computing devices

In this example, a user launches the application on the mobile computing device. The device may display on its screen instructions and/or animation to plug in a charging cable, to connect to a connectable device. The user may plug in the charging cable (eg. a USB cable). The user may then select a charging mode in the application. The charging mode may be a quick charging mode, or a standard charging mode.

If the user selects the quick charging mode, the user may select the discharge level, the device sets its charging parameters for the quick discharging, then the device powers off and charging of the connected device begins. If the cable is removed, and if power is plugged into the mobile computing device, then the mobile computing device turns back on. If the cable is removed, and if there is sufficient battery level in the mobile computing device, then the mobile computing device turns back on. If the discharge limit is reached, the mobile computing device may turn back on. If a particular indication to stop discharging is received by the mobile computing device, such as a long press of a button, the mobile computing device turns back on.

If the user selects the standard charging mode, the user may select the discharge level, the device sets its charging parameters for the standard discharging, then charging of the connected device begins, and the device displays a stop screen on which a selectable STOP icon is provided to stop discharging. If the STOP icon is selected, discharging stops, and the user may select a different discharge level. If a suitable mobile computing device button such as a back button or a HOME button is selected, charging continues in the background for example until the discharge limit is reached, or until the cable is removed, or until the user kills the task, or until the user returns to the App. If the user returns to the App, the mobile computing device may display a stop screen on which a selectable STOP icon is provided. If the discharge limit is reached, charging stops, the screen shows that the discharge limit has been reached, and upon the user pressing an acknowledgement button, the App closes. If the cable is removed, the mobile computing device displays a message that the (eg. USB) cable was removed, and that charging is incomplete.

In an example implementation of a powershare application on a mobile computing device, the mobile computing device is a smartphone and the charging cable is a USB cable. In this example, a user launches the application on the smartphone. The device displays on its screen instructions and/or animation to plug in a charging cable, to connect to a connectable device. The user may plug in the charging USB cable. The user may then select a charging mode in the application. The charging mode may be a quick charging mode, or a standard charging mode.

If the user selects the quick charging mode, the user may select the discharge level, the device sets its charging parameters for the quick discharging, then the device powers off and charging of the connected device begins. If the cable is removed, and if power is plugged into the smartphone, then the smartphone turns back on. If the cable is removed, and if there is sufficient battery level in the smartphone, then the smartphone may turn back on. If the discharge limit is reached, the smartphone turns back on. If a particular indication to stop discharging is received by the smartphone, such as a long press of a button, the smartphone turns back on.

If the user selects the standard charging mode, the user may select the discharge level, the smartphone device sets its charging parameters for the standard discharging, then charging of the connected device begins, and the smartphone device displays a stop screen on which a selectable STOP icon is provided. If the STOP icon is selected, discharging stops, and the user may select a different discharge level. If a suitable button on the smartphone such as a back button or a HOME button is selected, charging continues in the background until the discharge limit is reached, or until the cable is removed, or until the user kills the task, or until the user returns to the App. If the user returns to the App, the smartphone device displays a stop screen on which a selectable STOP icon is provided. If the discharge limit is reached, charging stops, the screen shows that the discharge limit has been reached, and upon the user pressing an acknowledgement button, the App closes. If the cable is removed, the smartphone device displays a message that the (eg. USB) cable was removed, and that charging is incomplete. An example implementation of a powershare application on a smartphone device is shown in Figure 1, in which the charging cable is a USB cable. In an example of a battery share mode on a mobile computing device, the mobile computing device is configured to receive a selectable input of a level of the mobile computing device battery at which discharging to a connected device must stop. The selectable input may be a slidable input which is slidable on the screen. The device may display a graphic of a battery of the mobile computing device. The selectable input may be a slidable input which is slidable on the graphic of the battery on the screen, or on a line displayed on the screen, to select the input of a level of the mobile computing device battery at which discharging to a connected device must stop. The graphic may display a minimum level of the mobile computing device battery which must be present before any discharging to an external device is permitted. The slider may not be slidable to select a level of the mobile computing device battery at which discharging to a connected device must stop, which is less than the minimum level of the mobile computing device battery which must be present before any discharging to an external device is permitted. The mobile computing device may display a button or icon which is selectable to start discharging to a connected device.

In an example of a battery share mode on a mobile computing device, which is a smartphone, the smartphone is configured to receive a selectable input of a level of the smartphone battery at which discharging to a connected device must stop. The selectable input may be a slidable input which is slidable on the screen. The smartphone device may display a graphic of a battery of the smartphone. The selectable input may be a slidable input which is slidable on the graphic of the smartphone battery on the screen, or on a line displayed on the screen, to select the input of a level of the smartphone battery at which discharging to a connected device must stop. The graphic may display a minimum level of the smartphone battery which must be present before any discharging to an external device is permitted. The slider may not be slidable to select a level of the smartphone battery at which discharging to a connected device must stop, which is less than the minimum level of the smartphone battery which must be present before any discharging to an external device is permitted. The smartphone device may display a button or icon which is selectable to start discharging to a connected device. An example of a battery share mode on a smartphone, in which the smartphone is configured to receive a selectable input of a level of the smartphone battery at which discharging to a connected device must stop, is shown in Figure 2, the smartphone device displaying a button or icon which is selectable to start discharging to a connected device.

In an example of a battery share mode on a mobile computing device, the mobile computing device is configured to receive a selectable input of a level of the mobile computing device battery at which discharging to a connected device must stop. The selectable input may be a slidable input which is slidable on the screen. The mobile computing device may display a graphic of a battery of the mobile computing device. The selectable input may be a slidable input which is slidable on the graphic of the battery on the screen, or on a line displayed on the screen, to select the input of a level of the mobile computing device battery at which discharging to a connected device must stop. The graphic may display a minimum level of the mobile computing device battery which must be present before any discharging to an external device is permitted. The slider may not be slidable to select a level of the mobile computing device battery at which discharging to a connected device must stop, which is less than the minimum level of the mobile computing device battery which must be present before any discharging to an external device is permitted. The mobile computing device may display a button or icon which is selectable to stop discharging to a connected device.

In an example of a battery share mode on a mobile computing device, which is a smartphone, the smartphone is configured to receive a selectable input of a level of the smartphone battery at which discharging to a connected device must stop. The selectable input may be a slidable input which is slidable on the screen. The smartphone device may display a graphic of a battery of the smartphone. The selectable input may be a slidable input which is slidable on the graphic of the smartphone battery on the screen, or on a line displayed on the screen, to select the input of a level of the smartphone battery at which discharging to a connected device must stop. The graphic may display a minimum level of the smartphone battery which must be present before any discharging to an external device is permitted. The slider may not be slidable to select a level of the smartphone battery at which discharging to a connected device must stop, which is less than the minimum level of the smartphone battery which must be present before any discharging to an external device is permitted. The smartphone device may display a button or icon which is selectable to stop discharging to a connected device. An example of a battery share mode on a smartphone, in which the smartphone is configured to receive a selectable input of a level of the smartphone battery at which discharging to a connected device must stop, is shown in Figure 3, the smartphone device displaying a button or icon which is selectable to stop discharging to a connected device.

In an example of a battery pack mode on a mobile computing device, the mobile computing device is configured to receive a selectable input of a level of a connected device battery at which discharging to the connected device must stop. The selectable input may be a slidable input which is slidable on the screen. The mobile computing device may display a graphic of a battery of the connected device. The selectable input may be a slidable input which is slidable on the graphic of the connected device battery on the screen, or on a line displayed on the screen, to select the input of a level of the connected device battery at which discharging to the connected device must stop. The mobile computing device may display a button or icon which is selectable to start discharging to the connected device.

In an example of a battery pack mode on a mobile computing device, which is a smartphone, the smartphone is configured to receive a selectable input of a level of a connected device battery at which discharging to the connected device must stop. The selectable input may be a slidable input which is slidable on the screen. The smartphone device may display a graphic of a battery of the connected device. The selectable input may be a slidable input which is slidable on the graphic of the connected device battery on the screen, or on a line displayed on the screen, to select the input of a level of the connected device battery at which discharging to the connected device must stop. The smartphone device may display a button or icon which is selectable to start discharging to the connected device.

An example of a battery pack mode on a smartphone, in which the smartphone is configured to receive a selectable input of a level of the connected device battery at which discharging to the connected device must stop, is shown in Figure 4, the smartphone device displaying a button or icon which is selectable to start discharging to the connected device. In an example of a battery pack mode on a mobile computing device, the mobile computing device is configured to receive a selectable input of a level of a connected device battery at which discharging to the connected device must stop. The selectable input may be a slidable input which is slidable on the screen. The mobile computing device may display a graphic of a battery of the connected device. The selectable input may be a slidable input which is slidable on the graphic of the connected device battery on the screen, or on a line displayed on the screen, to select the input of a level of the connected device battery at which discharging to the connected device must stop. The mobile computing device may display a button or icon which is selectable to stop discharging to the connected device.

In an example of a battery pack mode on a mobile computing device, which is a smartphone, the smartphone is configured to receive a selectable input of a level of a connected device battery at which discharging to the connected device must stop. The selectable input may be a slidable input which is slidable on the screen. The smartphone device may display a graphic of a battery of the connected device. The selectable input may be a slidable input which is slidable on the graphic of the connected device battery on the screen, or on a line displayed on the screen, to select the input of a level of the connected device battery at which discharging to the connected device must stop. The smartphone device may display a button or icon which is selectable to stop discharging to the connected device.

An example of a battery pack mode on a smartphone, in which the smartphone is configured to receive a selectable input of a level of a connected device battery at which discharging to the connected device must stop, is shown in Figure 5, the smartphone device displaying a button or icon which is selectable to stop discharging to the connected device.

An example of a battery pack mode on a mobile computing device screen, in which the mobile computing device is configured to receive a selectable input of a level of a connected device battery at which discharging to the connected device must stop, is shown in Figure 6, the mobile computing device screen displaying a button or icon which is selectable to stop discharging to the connected device. In an example of a battery share mode on a mobile computing device, the mobile computing device is configured to receive a selectable input of a level of the mobile computing device battery at which discharging to a connected device must stop; the selectable input may be received from a remote server in connection with the mobile computing device, or the selectable input may be received from user input, such as from a keyboard, a mouse, or from touch screen input on the mobile computing device.

A mobile computing device may be a smartphone, a mobile phone, a tablet computer, a laptop computer, a portable navigation device, a notebook computer, or an on-board vehicle computer system; the vehicle may be a bicycle, a motorbike, an automobile, an aircraft or a ship, for example.

An application may be a downloadable application. A downloadable application may be downloadable from an application store. A downloadable application may be downloadable over an internet connection.

A mobile computing device may include an operating system, for example a mobile operating system.

Examples of cables which may be used when a mobile computing device, the mobile computing device including a first battery, the mobile computing device connectable to a device including a second battery, the first battery dischargeable to the second battery via a cable when the mobile computing device is in connection with the device, are:

• USB Type C connector on both sides or

· USB Type C connector on one side and USB 2.0 connector on the other

• USB Type C connector on one side and iphone connector on the other

Other examples will be clear to those skilled in the art.

Device running a Powershare Application In an example, a device running a Powershare application allows a user to dictate and determine how much of the device battery charge the user is willing to share with other devices.

In an example, a device running a Powershare application is provided using a smartphone. An example of a smartphone is a rugged smartphone. An example of a smartphone is an ultra rugged smartphone. An example of a smartphone is a consumer rugged smartphone.

Features of a mobile phone (e.g. a smartphone) may include one or more of:

• A BATTERY THAT RUNS & RUNS: Long battery life may be the top rated feature for users.

· RUGGED: features may include dust proofing; a scratch resistant display; water proofing (e.g. essential); a drop-proof phone.

• Display brightness and versatility features may include: a sunlight readable display; a touchscreen that can be controlled with wet fingers; usable with gloves.

• Large on-board storage and expandable storage capability; a high quality camera. · A mobile phone (e.g. smartphone) may be one that is not slim.

Features of a mobile phone (e.g. a smartphone) may include one or more of:

• a large battery (eg. 5000 mAh); device may be capable of charging other devices and/ or accessories with a Battery Share function.

• a BATTERY SHARE function, for example to set the battery reserve level and/ or charge another device.

• INDUSTRY LEADING RUGGED CREDENTIALS; e.g. IP68 and Military Standard 810G plus waterproof to 2m depth for 1 hour. Shock and drop proof. Salt fog, sand, dust, dirt, vibration and pressure resistant. Operating Temperature:

-25°C (-13°F) to 55°C (131°F), Category 4 Vibration.

• DROP-PROOF e.g. TO 1.8m, e.g. onto concrete, e.g. Repeated drops onto concrete in different orientations. • WATERPROOF CAMERA

- Mam: 13MP autofocus with PDAF, LED flash

Front: 8MP fixed focus The IP Code, International Protection Marking, IEC standard 60529, sometimes interpreted as Ingress Protection Marking, classifies and rates the degree of protection provided against intrusion (body parts such as hands and fingers), dust, accidental contact, and water by mechanical casings and electrical enclosures. It is published by the International Electro technical Commission (IEC). The equivalent European standard is EN 60529.

In an example, a mobile phone (e.g. smartphone) includes a very large (e.g. 5,000 mAh) battery with Battery Share, allowing you to use this power to charge accessories or other phones, while keeping you in control. The very large (e.g. 5,000 mAh) battery may provide up to 44 days standby time & 38 hours talk-time. (Battery times (talk time, standby time, and more) are based on 3G and are subject to network and phone usage.) Battery Share functionality may be provided. Example Capacity: 5000mAh, e.g. Pump Express e.g. 2.0. Example battery Type: Non removable Lithium Ion.

In an example, a smartphone executes an application in which the application allows the smartphone to provide charging to another device, up to a selectable (e.g. user selectable) fraction (eg. 50%) of e.g. the maximum charge storable on the other device, or of the maximum charge storable on the smartphone. Figure 7 shows a schematic example in which the smartphone on the left hand side of the Figure is executing an application, in which the application has received a selection (e.g. a user selection) of a fraction (50%) of the maximum charge storable on the other device (on the right hand side of the Figure) at which to stop charging the other device. In Figure 7, the device on the left hand side of the Figure is charging the device on the right hand side of the Figure, via the cable connecting the two devices, because the charge stored on the device on the right hand side of the Figure is presently 25% of the maximum charge storable on the device on the right hand side of the Figure, and the device on the left hand side of the Figure has been configured to charge the device on the right hand side of the Figure, until the charge stored on the device on the right hand side of the Figure reaches 50% of the maximum charge storable on the device on the right hand side of the Figure. An example smartphone may include some or all of the following features:

• BATTERY: e.g. 5,000 mAh battery + Battery Share functionality

· OS: e.g. Android™ Nougat

• MEMORY: e.g. 3GB RAM, 32GB ROM

• PROCESSOR: e.g. MediaTek octa-core 2.3GHz chipset

• RUGGED: e.g. Water/Dust proof (Beyond IP68), Drop proof to 1.8M, Military Standard 810G

· CAMERA: e.g. 13MP rear camera, 8MP front camera, underwater mode

• SCREEN: e.g. 5 inch FHD display, optimised for outdoor use, Corning® Gorilla® Glass 5

• CONNECTIVITY: e.g. LTE Cat 6, VoLTE, VoWiFi

• APP TOOLBOX: e.g. Pre loaded and curated app discovery platform

· SD door latch

• SIM door latch

• Programmable key, for example:

- Push to Talk services

- SOS Emergency Button

- Customised functionality

• App Toolbox icon on screen.

In an example, an App Toolbox includes one or more of the following categories of Apps: Sports & Outdoor; Construction; Farming; Rugged Work & Tools; Business; Social; Weather & News; Entertainment & Media; Lifestyle & hobbies; Enterprise & Security. An example of an App Toolbox screen is shown in Figure 8.

A mobile phone (e.g. smartphone) may be used according to the following safety precautions. If used in salt water, rinse the device afterwards to avoid salt corrosion. Switch off the device near medical apparatus and follow the rules or regulations regarding mobile phone use in hospitals and health care facilities. Switch off the device or activate aeroplane mode when situated in an aircraft, as it may cause interference to the vessel's control equipment. Do not place the device or its accessories in containers with a strong electromagnetic field. Do not use the device in an environment with flammable gas, such as a gas station, or put the device in a high temperature place. Use only approved batteries and chargers to avoid the risk of explosion. For medical implant patients (heart, joints, etc), keep the device 15cm away from the implant and, during a phone call, keep the device positioned on the opposite side of the implant.

Some features of a mobile phone (e.g. smartphone) and its accessories described herein rely on the software installed, capacities and settings of local network, and may not be activated or may be limited by local network operators or network service providers.

Smartphone Example

There is provided a (e.g. rugged) smartphone with long-lasting battery power that can even charge other devices and accessories with its Battery Share feature. In an example, it is built to handle the extreme conditions you face every day at work and play. In an example, drop it, dunk it, or forget to charge it - the device will not let you down.

In an example, the smartphone is not only certified to the highest industry standard for ruggedness, Military Standard 81 OG and IP68 water and dust resistant, it also boasts capabilities that reach beyond these tests. Drop-proof onto concrete from an impressive height of 1.8m, tough enough to handle thermal shocks and salt mist spray, waterproof for 60 minutes in depths of up to 2 meters and works underwater with the ability to take photographs and videos while submerged. The smartphone will stay connected, no matter what life throws at it. The smartphone is the practical smartphone, packed with genuinely useful features so that you can make the most out of your day. In an example, its high capacity battery and expandable storage of up to 128GB guarantees that the performance of web browsing, messaging, music and more, will not be compromised. In an example, its large and bright, scratch-resistant 5 inch Full HD display can be read in direct sunlight and can even be used when its wet or if you're wearing gloves. Plus, in an example, its easy-grip design features a multi-function programmable key - useful for Push to Talk (PTT), SOS (Lone Worker App), or to easily launch its torch (or "flashlight") or camera.

EXAMPLE RUGGED CREDENTIALS DROPPING THE PHONE:

• Do: Drop the phone from a height of up to 1.8 meters.

• Don't: Throw the phone with huge force beyond the 1.8 meter range. The phone is durable but not indestructible.

EXAMPLE WATERPROOFING:

• Do: Use the phone in damp and wet conditions - the 5 inch multi-touch screen works with wet fingers. Ensure all components and covers are properly closed before using the phone in water. The phone can withstand a depth of 2 meters, for up to 1 hour.

• Don't: Forget to close all the phone openings or attempt to use the phone at a depth beyond 2 meters.

EXAMPLE DUSTPROOF AND SCRATCHPROOF:

• Do: Use the phone in dirty, dusty environments. The smartphone is certified IP68, an industry standard measure for durability and it's display is made from scratch-resistant Corning® Gorilla® Glass 5.

EXAMPLE EXTREME TEMPERATURES:

• Do: Use the phone within the range of: -20° C to + 55° C. It can also handle extreme changes in temperature; going from cold to hot or vice versa very quickly.

• Don't: Use the phone outside its operational range of -20° C to + 55° C, it's not built for a freezer or oven.

An example smartphone may include some or all of the following accessories:

• USB power cable and charging power adapter

• Power Share cable

· Factory fitted screen protector already on the device

Figure 9 shows example views of an example smartphone. There are shown front, back, left side, right side, top and bottom view of the device, as would be clear to one skilled in the art. The front view shows the screen covered by a screen protector. The following may be provided with an example smartphone; examples are provided in Figure 9.

1. HEADSET JACK

2. FRONT CAMERA

3. EARPIECE 4. MICROPHONES

5. RECENT APPS BUTTON

6. SPEAKER

7. HOME BUTTON

8. BACK BUTTON

9. PROGRAMMABLE KEY

10. SIM CARD SLOT

11. MICROSD CARD SLOT

12. 13MP CAMERA

13. FLASH

14. USB PORT

15. VOLUME UP/DOWN KEY

16. POWER KEY

Figure 10 shows example views of an example smartphone. There are shown (A) front and (B) rear views of the device, as would be clear to one skilled in the art. The front view shows the screen. The following may be provided with an example smartphone; examples are provided in Figure 10.

101. Front camera

102. Earpiece

103. Microphone

104. Speaker

105. Recent Apps button

106. Home button

107. Back button

108. Hole for lanyard

109. Programmable key

110. Power key

111. Headset jack

112. 8MP camera

113. Flash

114. USB port

115. MicroSD card slot 116. SIM card slot

117. Volume up/ down key

EXAMPLE OF CHARGING THE BATTERY

An example smartphone may include an embedded battery. Charge the battery before using your device for the first time.

1. Connect the USB power cable (e.g. that came with your mobile phone) to the charging power adapter.

NOTE:

• Only use approved chargers and cables. Unapproved equipment may cause damage to the device or cause batteries to explode.

2. Open the USB port cover and then connect the USB power cable to the USB port of your phone.

NOTE:

• Be careful not to use excessive force when connecting the USB cable and be aware of the correct orientation of the plug.

• Attempting to insert the connector incorrectly may cause damage.

3. Connect the USB to the appropriate alternating current (AC) mains plug and connect safely to the mains power supply.

4. When charging is complete (e.g. the green light shows on the indication light emitting diode (LED)), your device is fully charged. Firstly, unplug the USB cable from the device, then unplug the charger from the mains socket. EXAMPLE OF BATTERY SHARE

In an example, the smartphone features a very large 5000 mAh battery, big enough to give you up to 44 days 3G standby time or up to 38 hours 3G talk time. In an example, the smartphone can also charge other devices and accessories with its Battery Share feature. By using the provided USB Battery Share cable, your device can transform into a power bank. You can charge another device and choose the battery level you wish to reserve for yourself via the easy-to-use, in-app slider control.

NOTE:

• If you plug in the Battery Share cable, or open the Battery Share app when your device has less than a predefined amount (e.g. 20%) battery, a pop up message may appear saying 'Battery level too low to use Battery Share controls.' Select OK, to charge the device without setting a share limit. When the device you're charging is fully charged, or when your pre-set minimum battery level is reached, it will simply stop charging - meaning you can get on with your day, no supervision required.

EXAMPLE IMPORTANT INFORMATION REGARDING USE OF BATTERY

If the battery is completely exhausted, your device may not power on immediately after charging starts. Before attempting to turn it on, allow the battery to charge for a few minutes. The on-screen charge animation may not be displayed during this period. When the battery power level is low, your device plays an alert and displays a prompt and a (e.g red) light appears in the LED indicator. When the battery power is almost exhausted, your device will power off automatically.

Note: The time required to charge the battery depends on the environmental temperature and the age of the battery.

TOUCHSCREEN EXAMPLE TOUCHSCREEN ACTIONS

• Tap: Use your fingertip to select an item, confirm a selection, or start an application on the screen.

• Tap and hold: Tap an item with your fingertip and continue to press down until the screen responds. For example, to open the options menu for the active screen, tap the screen and hold down until the menu appears.

• Swipe: Move your finger across the screen either vertically or horizontally. For example, swipe left or right to switch between pictures.

• Drag: If you want to move an item, tap and hold it with your fingertip. Now drag the item to any part of the screen.

Example: Using the on-screen keyboard

Displaying the keyboard panel

To enter text, use the on-screen keyboard. Some applications open the keyboard automatically.

In others, touch a text field to open the keyboard.

To open the keyboard, touch the space where you want to write the text. Press the Back button to hide the keyboard.

Using the landscape keyboard

If you find the keyboard inconvenient or difficult to use, turn your mobile phone sideways. The screen will display the keyboard in landscape orientation, providing you with a wider keyboard layout.

Customizing keyboard settings

1. Touch the icon > touch Settings icon > Personal > Languages & input.

2. Do any of the following:

• Touch Virtual keyboard to configure the keyboard settings.

· Touch Physical keyboard to let the virtual keyboard appears on the screen and display available shortcuts.

In an example, a Status bar appears at the top of every screen. This displays notification icons, such as missed call or received messages (e.g. on the left) and phone status icons, such as battery status (e.g. on the right), along with the current time.

HOME SCREEN EXAMPLE

In an example, the Home Screen is the starting point for accessing your device's features. It displays application icons, widgets, shortcuts and more. It can be customised with different wallpapers and can be adjusted to display your preferred items.

1. Tap the launcher icon to view and launch installed applications (apps).

NOTE:

• A long press on an empty space on the Home Screen will launch the shortcut to wallpapers, widgets and settings.

EXAMPLE MOBILE PHONE DEVICE

There are several ways to place a phone call.

1. Either, dial a number into the keypad

2. Or, select a number from your contacts list, a Web page, or from a document that contains a phone number.

NOTE:

• When you're on a phone call, incoming phone calls can either be answered or sent to your voicemail. You can also set up conference calls with several participants. WI-FI® EXAMPLE

In an example, access to wireless access points (hotspots) is required to use Wi-Fi on your device.

TURNING ON WI-FI AND CONNECTING TO A WIRELESS NETWORK 1. Tap the icon, then Settings.

2. In Wireless & networks, tap Wi-Fi and slide the switch to the right. Choose a Wi-Fi network to connect to.

3. If you select an open network, the device will connect automatically. But if you're attempting to connect to a secured network for the first time, you must enter the password, then tap Connect.

NOTE:

• You will not have to re-enter the password for a secured network if you have connected to it before, unless the device has been reset to its default settings or if the Wi- Fi password has been changed.

· Obstacles blocking the Wi-Fi signal will reduce its strength.

Tip: On the Wi-Fi settings screen, tap Add network to add a new Wi-Fi network.

BLUETOOTH® EXAMPLE

In an example, your device has Bluetooth. It can create a wireless connection with other Bluetooth devices, so you can share files with your friends, talk hands-free with a Bluetooth headset, or even transfer photos from your device to a PC.

If you are using Bluetooth, remember to stay within 10 meters of the Bluetooth device you want to connect to. Be aware that obstacles like walls or other electronic equipment may interfere with the Bluetooth connection.

EXAMPLES OF MANAGING THE DEVICE EXAMPLE: USING THE GLOVE MODE

A (eg. capacitive) touch screen can be optimised for use with gloves on. When glove mode is on the screen is more sensitive to respond to the touches made with gloves on. Switch mode off when not wearing gloves to avoid accidental activations.

TO ENABLE THE GLOVE MODE:

1. On the Settings screen, tap Display >Glove Mode.

2. Slide the Glove Mode switch to the right. EXAMPLE: USING UNDERWATER MODE

The device may be a waterproof smartphone, e.g. capable of withstanding depths of up to 2 meters for 1 hour. It may also work underwater by using its Underwater Mode setting that locks the screen but allows you to capture pictures or images underwater using the volume keys.

Open the shortcut menu by sliding down from the top of the screen. Tap the Under Water icon.

This mode automatically launches the camera app. The screen is locked when in underwater mode. To exit, touch the screen and slide the unlock bar.

Waterproof casing

USB and Headset jack covers must be securely in place, and the rear cover properly fitted and locked to ensure the device will meet a level of waterproof protection.

EXAMPLE: CONFIGURING A PROGRAMMABLE KEY

You can assign a Programmable key to perform various essential and useful functions, in some circumstances while the screen is locked.

1. On the Settings screen, tap Programmable key.

2. Select an available function to assign to the key:

• Push To Talk (PTT) : Slide the PTT mode switch to the right, eg. to activate the walkie talkie function by pressing the Programmable key.

• Select the button pressing method.

• Short press— multiple options including launch a Google search browser, the flashlight or manage incoming calls

• Long Press— multiple options including wake device, launch a Google search browser, the flashlight or manage incoming calls

• Tap OK to confirm.

• Underwater mode: Slide the Underwater mode switch to the right .

NOTE:

• In Underwater mode, all touchscreen functions will be disabled so you will not be able to answer incoming calls.

SETTING PHONE SERVICES: EXAMPLE TURNING ON DATA ROAMING

1. On the Settings screen, tap More > Cellular networks.

2. Slide the Data roaming switch to the right .

NOTE:

· Remember that accessing data services while roaming may incur considerable additional charges. Check with your network service provider about data roaming fees.

DISABLE DATA SERVICE

On the Settings screen, tap Data usage and slide the Cellular data switch e.g. to the left. EXAMPLE: MANAGING APPLICATIONS

VIEWING AN INSTALLED APPLICATION (APP)

1. On the Settings screen, tap Apps.

2. In the applications list, you may be able to do any of the following:

• Tap the icon to configure apps settings.

· Tap an icon to Show system to display system apps.

• Tap an icon to Reset app preferences: Reset apps to reset apps preferences to their default settings.

• Tap an application to view its details directly.

REMOVING AN INSTALLED APPLICATION

1. On the Settings screen, tap Apps.

2. Tap an application, and then tap Uninstall>OK to remove the application from your device.

NOTE:

• You cannot delete pre-installed applications.

EXAMPLE: HARDWARE RESET

In an example, the device has an internal battery and therefore you cannot reset the hardware by simply removing the battery. If you need to reset the hardware, please follow the steps listed below. Please note that you may have to reset the hardware if your device isn't charging when it's plugged into a wall socket.

Press and hold the Volume up and Power keys until your device powers down. After your device is reset, it will restart automatically.

In an example, do not use or charge the device in dusty, damp, and dirty places or places with magnetic fields. Otherwise, it may result in a malfunction of the circuit. ACCESSORIES EXAMPLES

Choose only batteries, chargers, and accessories approved for use with this model by the device manufacturer. The use of any other type of charger or accessory may invalidate any warranty for the device, may be in violation of local rules or laws, and may be dangerous. Please contact your device retailer for information about the availability of approved batteries, chargers, and accessories in the area.

BATTERY AND CHARGER EXAMPLES

· In an example, unplug the charger from the electrical plug and the device when not in use.

• In an example, the battery can be charged and discharged hundreds of times before it eventually wears out.

• Use the AC power supply defined in the specifications of the charger. An improper power voltage may cause a fire or a malfunction of the charger.

• If battery electrolyte leaks out, ensure that the electrolyte does not tap skin and eyes. If the electrolyte taps skin or splashes into eyes, wash eyes with clean water immediately and consult a doctor.

• If there is a case of battery deformation, colour change, or abnormal heating while charging, stop using the device immediately. Otherwise, it may lead to battery leakage, overheating, explosion, or fire.

• In an example, if the USB power cable is damaged (for example, the cord is exposed or broken), or the plug loosens, stop using the cable at once. Otherwise, it may lead to an electric shock, a short circuit of the charger, or a fire.

· Do not dispose of this device in fire as it may explode. Batteries may also explode if damaged.

• Do not, modify or remanufacture the device; attempt to insert foreign objects into the device; immerse or expose the device to water or other liquids; expose the device to fire, explosion or other hazards.

· Avoid dropping the device. If the device is dropped, especially on a hard surface, and you suspect damage, take it to a qualified service centre for inspection. Improper use may result in a fire, explosion or other hazard.

• Promptly dispose of used devices in accordance with local regulations.

• In an example, the device should only be connected to products that bear the USB Implemented Forum (USB-IF) logo or have completed the USB-IF compliance program.

• When charging, ensure the charger is plugged into an AC mains plug that is in close proximity to the device. The charger must be easy to access.

• In an example, the USB power cable is considered as a separate device to the charging adapter.

• Example output rating of charger 5V ~ 8V:2A / 8.5V-10V: 1.7A / 10.5V-12V 1.5A. CAUTION - RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS.

CLEANING AND MAINTENANCE

• In an example, the charger is not water-resistant. Keep it dry. Protect the charger from water or vapour. Do not touch the charger with wet hands, otherwise it may lead to a short circuit, a malfunction of the device and may cause you an electric shock.

• Do not place your device and charger in places where they can get damaged by impact. Otherwise, it may lead to battery leakage, device malfunction, overheating, fire, or explosion.

• Do not place magnetic storage media such as magnetic cards and floppy disks near the device.

• Radiation from the device may erase the information stored on them.

· Do not leave this device and charger in a place with an extreme high or low temperature. Otherwise, they may not function properly and may lead to a fire or an explosion. When the temperature is lower than 0°C, performance of the battery will be affected.

• In an example, do not place sharp metal objects such as pins near an earpiece. The earpiece may attract these objects and hurt you.

• Before cleaning or maintaining this device, power it off and disconnect from the charger.

• Do not use any chemical detergent, powder, or other chemical agents (such as alcohol and benzene) to clean the device and the charger. Otherwise, parts of the device may be damaged or a fire can be caused. The device can be cleaned with a soft antistatic cloth.

• Do not dismantle the device or accessories. Otherwise, the warranty on the device and accessories is invalid and the manufacturer is not liable to pay for the damage.

• If the device screen is broken by colliding with hard objects, do not touch or try to remove the broken part. In this case, stop using the device immediately, and contact an authorised service centre.

EXAMPLE SMARTPHONE SPECIFICATION Operating System Example Android™ 7.0

Platform Example MTK 6757 OctaCore 2.3GHz

Memory Examples

• Internal Memory (ROM/ FLASH): 32GB eMMCv5.1

• Internal Memory (RAMO: 3GB RAM LPDDR3

· External Memory: SDXC. Class 10/Ultra high speed/128GB

Cellular Network Examples

• 2G Band: GSM, GPRS, EDGE (Class 33)

• 3G Band: HSPA, R9

• 4G Band: LTE Cat6

Display Example 5.0 inch HD with Capacitive 4 points touch

Camera Examples · Rear Camera: 13MP AF with LED flash

• Front Camera: 8MP FF

Sensor Examples Proximity & Light sensor, Accelerometer, E-compass Connectivity Examples

· Bluetooth: BT 4.2

• Wi-Fi: 802.11 a (5GHz), 802.11 b/g (2.4GHz), 802.11 n (2.4G/5G)

• GPS Support: GPS, AGPS, Glonass

• Others: E911, FM RX, WiFi Direct, NFC

Battery Example · Type: Non-removable

· Size: 5000mAh

Others Examples · Ingress Protection: IP68

• Drop Test: 1.8m

Dimensions Example 152 x 75 x 12.85 mm

Weight Example 218g

Example smartphone device connectivities

Audio Jack: 3.5mm

Bluetooth®: 4.1 NFC: Yes (Android Pay™)

Wi-Fi®: 802.11 b/g/n (2.4 & 5GHz)

USB: micro-USB 2.0, USB-OTG

SIM Type: Nano SIM, dual and single SIM variants

GPS: GLONASS, GPS, aGPS, Beidou (variant dependant)

In an example, a smartphone has a 4000 mAh battery.

Example smartphone sensors include one or more of:

· Proximity sensor

• Ambient light sensor

• E-compass

• Accelerometer

• Location

Note

The disclosed device features may be combined, as would be clear to one skilled in the art.

A USB connector may be a known USB connector or a future USB connector.

It is to be understood that the above-referenced arrangements are only illustrative of the application for the principles of the present invention. Numerous modifications and alternative arrangements can be devised without departing from the spirit and scope of the present invention. While the present invention has been shown in the drawings and fully described above with particularity and detail in connection with what is presently deemed to be the most practical and preferred example(s) of the invention, it will be apparent to those of ordinary skill in the art that numerous modifications can be made without departing from the principles and concepts of the invention as set forth herein.

Claims

1. A mobile computing device, the mobile computing device including a first battery, a processor and a memory,

the mobile computing device connectable to a device including a second battery, the first battery dischargeable to the second battery when the mobile computing device is in connection with the device;

2. The mobile computing device of Claim 1 wherein the mobile computing device is connectable to the device including the second battery via a cable (e.g. a USB cable).

3. The mobile computing device of any previous Claim, wherein the mobile computing device is configured to receive a first selectable input of a level of the mobile computing device battery at which discharging to a connected device must stop. 4. The mobile computing device of Claim 3, wherein the first selectable input of a level of the mobile computing device battery at which discharging to a connected device must stop is user selectable, or is selectable from a remote server in connection with the mobile computing device. 5. The mobile computing device of any previous Claim, wherein the mobile computing device is configured to receive a second selectable input of a level of the connected device battery at which discharging to the connected device must stop.

6. The mobile computing device of Claim 5, wherein the second selectable input of a level of the connected device battery at which discharging must stop is user selectable, or is selectable from a remote server in connection with the mobile computing device.

7. The mobile computing device of any previous Claim, wherein the mobile computing device includes a screen.

8. The mobile computing device of Claim 7, wherein the first selectable input is a slidable input which is slidable on the screen. 9. The mobile computing device of Claims 7 or 8, wherein the second selectable input is a slidable input which is slidable on the screen.

10. The mobile computing device of any of Claims 7 to 9, wherein the mobile computing device displays on the screen a button or icon which is selectable to start discharging to the connected device.

11. The mobile computing device of any of Claims 7 to 10, wherein the mobile computing device displays on the screen a button or icon which is selectable to stop discharging to the connected device.

12. The mobile computing device of any of Claims 7 to 11, wherein the screen displays a graphic of the first battery, and a graphical indication of the minimum level of the first battery. 13. The mobile computing device of any of Claims 7 to 12, wherein the screen includes a graphic of the first battery including Battery Percentage, or the screen displays Battery Approximate time remaining.

14. The mobile computing device of any of Claims 7 to 13, wherein the screen is a touchscreen.

15. The mobile computing device of any previous Claim, wherein the mobile computing device is configured to receive a selection of a charging mode eg. a quick charging mode, or a standard charging mode.

16. The mobile computing device of any previous Claim, wherein the mobile computing device provides a selectable option to provide rapid charging, in which the mobile computing device is shut down, to enable the maximum current output, because the mobile computing device itself is drawing no current.

17. The mobile computing device of any previous Claim, wherein a special charging cable is provided to provide higher output charging. 18. The mobile computing device of any of Claims 7 to 17, wherein when charging in an Off state, no graphics are provided on the mobile computing device screen.

19. The mobile computing device of any of Claims 7 to 17, wherein for charging in an ON State, attaching a device displays some or all of the following information: Switch to specify master/slave; Device is attached and is being charged; Discharge information - current being supplied; Graphic and/or text illustrating impact to main battery percentage and stand-by time remaining when connected to this device; Option to set discharge budget, e.g. a slider on main battery graphic that defines the cut-off point to stop charging the attached device.

20. The mobile computing device of any previous Claim, wherein an Option is provided to enable 'main device power saving mode': this will turn off some uses of power (eg. radios etc) to limit the amount of power that the host is using during the charging event.

21. The mobile computing device of any previous Claim, wherein the mobile computing device is configured to protect the first battery and prevent, limit or advise about actions that could harm the first battery. 22. The mobile computing device of any previous Claim, wherein battery information is obtained from a connected device.

23. The mobile computing device of any previous Claim, wherein the mobile computing device is configured to show an impact to the connected device battery percentage after a charging event.

24. The mobile computing device of any previous Claim, wherein the mobile computing device is not connected to a mains power source.

25. The mobile computing device of any previous Claim, including a suitable mobile computing device button, wherein charging continues in the background in response to the suitable mobile computing device button, such as a back button or a HOME button, being selected.

26. The mobile computing device of any previous Claim, wherein charging continues in the background until the discharge limit is reached, or until the cable is removed, or until a user kills the task, or until the user returns to the App. 27. The mobile computing device of any previous Claim, wherein the mobile computing device provides one or more of: Bluetooth connectivity; Wi-Fi connectivity; GPS support; 2G Band; 3G Band; 4G Band.

28. The mobile computing device of any previous Claim, wherein the mobile computing device includes one or more of the following sensors: Proximity sensor;

Ambient light sensor; E-compass; Accelerometer; Location.

29. The mobile computing device of any previous Claim, wherein the processor executes a software application.

30. The mobile computing device of any previous Claim, wherein the processor executes a downloadable software application.

31. The mobile computing device of any previous Claim, wherein the mobile computing device includes an operating system such as Apple iOS, Android, Symbian,

Blackberry OS, or Windows OS.

32. The mobile computing device of any previous Claim, wherein the mobile computing device is a personal device.

33. The mobile computing device of any previous Claim, wherein the mobile computing device is a portable device.

34. The mobile computing device of any previous Claim, wherein the mobile computing device is a smartphone, a mobile phone, a tablet computer, a laptop computer, a portable navigation device, a notebook computer, or an on-board vehicle computer system.

35. The mobile computing device of Claim 34, wherein the vehicle is a bicycle, a motorbike, an automobile, an aircraft or a ship.

36. The mobile computing device of Claim 34, wherein the mobile computing device is a smartphone.

37. The mobile computing device of Claim 36, wherein the smartphone is a rugged smartphone.

38. The mobile computing device of Claim 36, wherein the rugged smartphone includes one or more of: dust proofing; a scratch resistant display; water proofing; a drop-proof phone.

39. The mobile computing device of any of Claims 36 to 38, wherein the smartphone features include one or more of: a sunlight readable display; a touchscreen that can be controlled with wet fingers; usable with gloves.

40. The mobile computing device of any of Claims 36 to 39, wherein the smartphone features include one or more of: IP68 and Military Standard 810G; waterproof to 2m depth for 1 hour; Shock and drop proof; Salt fog, sand, dust, dirt, vibration and pressure resistant; Operating Temperatures include -25°C (-13°F) to 55°C (131°F); Category 4 Vibration standard.

41. The mobile computing device of any of Claims 36 to 40, wherein the smartphone features include DROP-PROOF e.g. to 1.8m, e.g. onto concrete.

42. The mobile computing device of any of Claims 36 to 41, wherein the smartphone is not slim. 43. The mobile computing device of any of Claims 36 to 42, wherein screen displays split screen (e.g. Android N split screen) to enable a user to keep in view with other apps.

44. The mobile computing device of any previous Claim, wherein the first battery is at least 4000 mAh capacity, or is at least 5000 mAh capacity.

45. The mobile computing device of Claim 44, wherein the battery capacity is less than 10 Ah, or is less than 20 Ah, or is less than 30 Ah, or is less than 50 Ah.

46. Method of discharging a first battery of a mobile computing device, the mobile computing device including the first battery, a processor and a memory, the mobile computing device in connection with a device including a second battery, wherein the first battery is dischargeable to the second battery through the connection, the method including the steps of:

47. Method of Claim 46, including the step of the mobile computing device establishing a communications connection to the device including the second battery. 48. Method of Claims 46 or 47, including the step of the mobile computing device receiving a first selectable input of a level of the mobile computing device battery at which discharging to a connected device must stop.

Method of any of Claims 46 to 48, including the step of the mobile computing device receiving a second selectable input of a level of the connected device battery at which discharging to the connected device must stop.

50. Method of any of Claims 46 to 49, including the step of the mobile computing device displaying on a screen a button or icon which is selectable to start discharging to the connected device.

51. Method of any of Claims 46 to 50, including the step of the mobile computing device displaying on a screen a button or icon which is selectable to stop discharging to the connected device.

52. Method of any of Claims 46 to 51, including the step of the mobile computing device receiving a selection of a charging mode eg. a quick charging mode, or a standard charging mode.

53. Method of any of Claims 46 to 52, including the step of the mobile computing device receiving battery information from the connected device.

54. Method of any of Claims 46 to 53, including the step of using a mobile computing device of any of Claims 1 to 45.

55. Computer program product executable on a processor of a mobile computing device, the mobile computing device including a first battery, the processor and a memory, the mobile computing device in connection with a device including a second battery, wherein the first battery is dischargeable to the second battery through the connection, the computer program product executable on the processor to:

(ii) store the minimum level in the memory;

56. Computer program product of Claim 55, further executable to perform a method of any of Claims 46 to 54.

57. A mobile computing device, the mobile computing device including a first battery, a processor and a memory,

wherein the processor is configured to prevent discharging the first battery to the second battery when the level of the second battery is greater than the maximum level of the second battery stored in the memory.

58. Method of discharging a first battery of a mobile computing device, the mobile computing device including the first battery, a processor and a memory, the mobile computing device in connection with a device including a second battery, wherein the first battery is dischargeable to the second battery through the connection, the method including the steps of:

(ii) the processor preventing discharging the first battery to the second battery, when the level of the second battery is greater than the maximum level of the second battery stored in the memory.

59. Computer program product executable on a processor of a mobile computing device, the mobile computing device including a first battery, the processor and a memory, the mobile computing device in connection with a device including a second battery, wherein the first battery is dischargeable to the second battery through the connection, the computer program product executable on the processor to:

(ii) store the maximum level in the memory;

(iii) prevent discharging the first battery to the second battery, when the level of the second battery is greater than the maximum level of the second battery stored in the memory.