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
Logitech UE BOOM review: UE Boom: Portable Bluetooth speaker is water-resistant, offers 15 hours of battery life. - CNET
Amazon.com: Gikysuiz Replacement Battery for Logitech UE Boom/UE Boom2/UE Blast/UE Boom 3 Wireless Bluetooth Speaker fits Part No Logitech S-00151/S- 00122/S-00170/S-00166 3400mAh/3.7V : Electronics
Logitech Ultimate Ears BOOM Wireless Bluetooth Speaker - Black / S-00122 - Newegg.com