Battery for JBL Xtreme JBL XTREME Replace GSP0931134 New 5000mAh 727542436011 | eBay
JBL Xtreme Battery Replacement Kit - Extended Life — NewPower99.com
NeweggBusiness - 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