It is recommended to charge both the device and amplifier each night. A battery charger was included in the box with the device.
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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.
Place the device in a safe location while charging.
Batteries are not replaceable by the customer.
Charging the Device and Amplifier
One end of the charger plugs into a wall outlet—a surge protector is recommended. The other end has a USB-C connector, allowing you to charge the device and amplifier at the same time.

Amplifier LEDs
USB-C port
To charge the device and amplifier:
Plug the charger’s USB-C cable into the device charging port.
Plug the other end of the charger into a wall outlet or surge protector.
The LED above the USB-C port will flash during charging and remain on when the amplifier is fully charged.
Tip: Charge the system each night.
When the device and amplifier are fully charged:
Unplug the charger from the device.
Unplug the charger from the wall outlet or surge protector (optional).
Press the device’s power switch to turn the display light on.
Battery Status
To check the battery level or charging status at any time, create a button with the Battery Status action or find and select a battery status button in your vocabulary.
Extending Battery Life
To extend the battery life of a non-dedicated device, dim the screen. Open the iPad Settings, select Display & Brightness, and dim the screen brightness using the slider.
Disposal of the Battery
If the battery in your amplifier needs to be replaced, dispose of the old battery in accordance with your local, state, and/or country regulations.