7.2v 5200mah Id1019 Battery For Jbl Xtreme 2 Series Wireless Bluetooth Speaker Li-ion Rechargeable Battery Packs 37.44wh - Laptop Batteries - AliExpress
JBL Xtreme 2 Battery Replacement - YouTube
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