900mAh 7.4V 20C Upgraded Li-Po Battery for V912 F46 DEVO F4 Item Name: 900mAh 7.4V 20C Upgraded Battery Discharge Rate: 20C, Voltage: 7.4V; Weight: 50g Volume: 900mAh (Manufacturer rated); Dimensions: 5.5 x 3 x 1.5 cm Usage:For WLtoys V912 MJX F46 V262 FT007 RC Helicopter Package Included: 1 x 900mAh 7.4V 20C upgraded battery