AKKU 31080: Battery for Logitech Boom 2, UE Boom, Li-Ion, 3400 mAh at reichelt elektronik
Amazon.com: Replacement Battery for Logitech UE Boom 2, UE Boom 2 Ultimate 00798-601-8207 : Health & Household
533-000104, 533-000138, F12431581 High Capacity Battery for Logitech UE MegaBoom 2, UE Ultimate, Kora Boom, S-00122, S00151, 3400mAh - sold by smavco - Walmart.com
UE Boom 2 review | TechRadar
UE BOOM 2 Battery Replacement Kit with Special Installation Tools, Ext — NewPower99.com