Replacement Battery for: JBL Flip, Flip 1,JBL AEC653055-2S 100% Compatible with original battery; 180 days warranty Capacity: 1050mAh; Nominal Voltage: 7.4V Battery Type: Li-ion Polymer battery; Safe and reliable battery certified by UL, CE, UN38.3, RoHS Over 300 times cycle life; Long working time