This is SF703048RH25 850mAh 7.4V Li-polymer battery. Type: Lithium Polymer Nominal Capacity: 850mAh Nominal Voltage: 7.4V Configuration: 2S1P Dimensions( T* W* L) : 16.6* 30.0* 53.5mm( middle value) Weight: Approx.: 46 g Maximum Continuous Discharge: 25C Maximum Continuous Current: 21.25A Ideal for use in LAMA and EP200 V2, ect.