Amazon.com: for JBL Xtreme 2 (NOT Xtreme 1) High Capacity Battery Replacement Repair + Tool for JBL Xtreme 2 Portable Bluetooth Speaker 5200mAH Li JBL Model XTREME2BLKAM Part 2INR19 66-2 : Electronics
6800MaH SUN-INTE-103, 2INR19/66-2 Battery Replacement Compatible with JBL Xtreme 2 Portable Wireless Bluetooth Speaker - Newegg.com
How to Replace Your JBL Xtreme 2 Battery - YouTube
JBL Xtreme 2 Battery Capacity mAh - Tom's Tek Stop
Amazon.com: High Capacity 5000mAh Li-Polymer Replacement Battery for JBL Xtreme, JBLXTREME, fits JBL GSP0931134 : Electronics
7.2v 5200mah Id1019 Battery For Jbl Xtreme 2 Series Wireless Bluetooth Speaker Li-ion Rechargeable Battery Packs 37.44wh - Laptop Batteries - AliExpress