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Place the device in a safe location while charging.
Use only the battery charger provided with the device.
Cords and cables are potential entanglement or strangulation hazards. Please consider this prior to placing these items with device users.
On a regular basis, visually inspect cables, cords, and connectors for damage or wear, especially where they are subject to extra stress. Cables and cords can become frayed or damaged from heavy use or with age. For example, a frayed cable could cause a battery charger/power adapter to short-circuit, posing a hazard to the user. If any cable, cord, or connector is damaged or worn, call Service for a replacement.
Charging the Battery
How long the battery lasts depends on how the device is used. The time required to fully charge varies depending on the battery level when the charging begins. When the device needs charging, locate the charging port on the back of the device and connect the battery charger that came with the device.
Charge the battery at room temperature on a hard surface. It is best to charge the device when it is in an upright position, propped on the stand. If it cannot be upright, position it face down on a hard surface.
Charge the battery every night or any time you see the low battery warning. If you cannot plug in the charger overnight, it is best to power off the device to conserve battery charge.
Battery/Charging LED
When the device is on and the charger is not plugged into the device:
The battery/charging LED is not illuminated.
When the battery has less than 15% (about three hours) of its power remaining, the battery/charging LED will glow red.
When the device is plugged into the charger:
If the device is on: The battery/charging LED will glow yellow. When the device is fully charged, the LED will turn green.
If the device is off: The battery/charging LED will glow yellow. When the device is fully charged, the LED will turn off.
Best Practices for a Healthy Battery
To reduce charging time, power off the device before plugging in the charger. When the device is in sleep mode, or while the device is powered on, charging times are slower because the processor and other power-demanding activities are still active. When the device is on while charging, it should fully charge in less than eight hours. If the device is off while charging, it may charge in as little as five hours.
Charging a dangerously low battery will take about 10 hours. If the battery is totally dead, an additional two hours may be required. A battery that is not fully depleted will require less time to recharge.
Always charge the device before storing it away. Do not leave the battery uncharged.
Note: Devices generate more heat when in use and while charging.
Battery Charging Tips
Power off the device before plugging it in to charge.
Avoid charging the batteries when:
The device is in direct sunlight.
The device is in a carry case or bag.
The device is still warm from being in a hot car or direct sunlight.
The device is lying flat on a soft or insulating surface like a blanket, bed, or upholstered furniture.
The device is too hot to hold on to.
To preserve the battery:
Install updates while the device is plugged in.
Shut down third-party apps and Wi-Fi when not needed.
Use adaptive display brightness.
Use auto-sleep set to five minutes or less.
Avoid relying on Sleep Mode when the device can be shut down. Sleep Mode consumes 2% of the battery per hour.
Disposing of the Battery
If the battery needs to be replaced, dispose of the old battery in accordance with your local, state, and/or country regulations.