Amazon.com: WRUMI Replacement Battery for JBL Xtreme 2, Xtreme 3, Battery SUN-INTE-103 5200mAh 7.4V with Tools : Electronics
Xtreme Power Battery Wheels- Les Schwab
Xtreme High Performance 9L-B 12V 130CCA Flooded Powersport Battery - CYL9LBXT at Batteries Plus
Amazon.com: Battery Replacement for JBL Xtreme GSP0931134 Xtreme : Electronics
JBL Xtreme Battery Replacement for part GSP0931134 bbmbattery – BBM Battery
The pure lead battery "grid | Xtreme VR" with high-performance pure lead technology (HPPL) serves including the need for ever shorter bridging times with high-current discharges and use at high ambient temperatures.