Locate the FOUR 7 mm screws securing the speaker to the housing.

Using a phillips J1 size bit, remove the four screws and set them aside.

Carefully lift and set the speaker to the side. Caution: the speaker is connected by small wires to the housing. Do not damage the wire connections when removing the speaker.

The battery is now exposed. In this headset, it is a 3.7V 720 mAh Li battery. Some headsets include a larger capacity battery.