TDK TREK Max Wireless - Battery replacement instructions - Manual (Page 2)

3. With the cover removed, lift the foam piece from its position.
4. Unplug the battery and replace with a battery pack from TDK Life on Record. A
screwdriver can be used to carefully press the connector of the new battery into
the socket.
5. Route the wires into place and replace the foam strip.
6. Place the base cover in position and reinstall the 7 screws.
This completes the battery replacement procedure.
Proper disposal of the old battery is essential from an environmental and safety point
of view. Please follow local regulations for proper disposal. Putting any battery
directly in the trash will harm the environment.
Do not incinerate.