New 7.4V 5200mAh Replacement Battery For JBL Xtreme 2 2nd ,Xtreme2 SUN INTE 103 ID1019 Bluetooth Speaker Acumulator 6 wire Plug|Mobile Phone Batteries| - AliExpress
Replacement Parts For JBL Xtreme 3 Portable Bluetooth Speaker - Black | eBay
Amazon.com: High Capacity 5000mAh Li-Polymer Replacement Battery for JBL Xtreme, JBLXTREME, fits JBL GSP0931134 : Electronics