WRUMI Replacement Battery for JBL Xtreme 2, Xtreme 3, Battery SUN-INTE-103 5200mAh 7.4V with Tools
JBL Xtreme How To Replace Battery - Battery Replacement - YouTube
JBL Xtreme Battery Replacement Kit with Special Installation Tools, Extended Life Battery, Video Instructions, and Full One Year Warranty | NewPower99 USA