7.2V 3130mAh 22.5Wh 533-000164 Battery for Logitech UE MegaBoom, S-00147 UK
Capacity: 3130mAh / 22.5Wh. Decrease the screen brightness. Remove the old battery, carefully install the new battery on the battery box, tighten the screws, and then connect the wires of the new battery.