6000mAh 3.7v Battery bateria GSP1029102A for JBL Charge 3 (pls double check the place of 2 red wires on your old battery)|Digital Batteries| - AliExpress
JBL Charge 3 (2016) Battery 6000mAh GSP1029102A
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JBL speaker battery compatible Flip 3 (3000mAh / 3.7V) BLUE JBL - SOSav English