Amazon.com: Cameron Sino 3400mAh Replacement Battery Compatible with Logitech UE MegaBoom : Electronics
Logitech UE MegaBoom Battery
Amazon.com: Gikysuiz Replacement Battery for Logitech UE MegaBoom Series Wireless Bluetooth Speaker fits Part Number 533-000116 533-000146 7.4V 3400mAh : Electronics
Logitech Megaboom Battery | Logitech Speaker Battery | Cameron Sino Battery - Digital Batteries - Aliexpress
Amazon.com: Replacement Battery for Logitech UE MegaBoom Compatible with S-00147 984-001362 084-000845 Ultimate Ears Megaboom 3 Megaboom 3 S-00171 fits Part No Logitech 533-000116, 533-000138,7.4V Li-ion : Electronics
Amazon.com: Gikysuiz Replacement Battery for Logitech UE MegaBoom Series Wireless Bluetooth Speaker fits Part Number 533-000116 533-000146 7.4V 3400mAh : Electronics