Can you replace the battery on Ultimate Ears MegaBoom 3? | iMore
UE MegaBoom S 00147 Battery for Logitech Player New Li Ion Rechargeable Accumulator Pack Replacement 7.4V 3400mAh 533 000116|Digital Batteries| - AliExpress
UE Megaboom 3 review: UE Megaboom 3 is more durable, has better bass and a 'magic' button - CNET
3400mAh 533-000116 Battery for Logitech UE MegaBoom S-00147 Bluetooth Speaker - Walmart.com
Bluetooth Speaker Battery CS LOE146SL For Logitech 084 000845, 984 001362, Megaboom 3 Replacement Li ion Batteries 2600mAh|Digital Batteries| - AliExpress