Be oneself mini new 3.7V 520mAh Lithium Polymer rechargeable battery Li-ion for DV 603030 1.92wh 14F2B BPI Li-Po battery Li-Po battery Output Voltage:3.7V 520mAh DV 603030 1.92wh 14F2B BPI Battery Size: 32 mm x 30 mm x 6.0 mmPlug Pin / hole: 1.25mm-2P pitch Packaging:1PCS