Kristina Vuletic on Twitter: "This is water damage in a @Logitech UE Megaboom. Power/battery stuffed as you can see. Not so waterproof after all. https://t.co/3DvsHLgDpK" / Twitter
Synergy Digital Speaker Battery, Works with Logitech UE MegaBoom 2 Speaker, (Li-ion, 3.7V, 3400mAh) Ultra High Capacity, Compatible with Logitech 533-000104, F12431581 Battery - Walmart.com
3400mAh 533-000116 Battery for Logitech UE MegaBoom S-00147 Bluetooth Speaker - Walmart.com
UE MegaBoom S 00147 Battery for Logitech Player New Li Ion Rechargeable Accumulator Pack Replacement 7.4V 3400mAh 533 000116|Digital Batteries| - AliExpress