2INR19/66-2, SUN-INTE-103 High Capacity Battery for JBL Xtreme 2, JBLXTREME2BLKAM, JBLXTREME2BLUAM – SMAVtronics
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New 7.4V 5200mAh Replacement Battery For JBL Xtreme 2 2nd ,Xtreme2 SUN INTE 103 ID1019 Bluetooth Speaker Acumulator 6 wire Plug|Mobile Phone Batteries| - AliExpress