6800mAh High-Capacity Extended IBA001GA, GSP-2S2P-XT3A Battery Replacement Compatible with JBL Xtreme 3 Portable Waterproof Bluetooth Speaker - Newegg.com
Replacement Battery for Speaker JBL Xtreme & Set of Tools | eBay
JBL Xtreme 2 | Portable Bluetooth Speaker
JBL Xtreme Battery
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Rapthor 10000mAh Replacement Battery for JBL Xtreme Bluetooth Speaker – Rapthor Batteries
Amazon.com: Uwayor 6000mAh Battery Replacement for JBL Xtreme Bluetooth Speaker, Extreme Part Number GSP0931134, 7.4V Replacement Battery with Install Tools : Electronics