How do you Replace the Built-in Battery on the camera, Walkman or navigation device.
Technical knowledge is required to replace the built-in rechargeable battery, it is not recommended for customers to do replace the built-in rechargeable battery by themselves. The device needs to be disassembled to replace the built-in battery. Since the device functions exclusively on the built-in rechargeable lithium-ion battery, other commercial products cannot be used.
For the built-in battery to be changed, service is required.  Go to Product Repair.