UE MegaBoom S-00147 Battery for Logitech Player New Li-Ion Rechargeable Pack Replacement 7.4V 3400mAh 533-000116 533-000138 UE MegaBoom S-00147 Battery for Logitech Player New Li-Ion Rechargeable Pack Replacement 7.4V 3400mAh 533-000116 533-000138. Sale price : $25.43 Category : Consumer Electronics