Venom 5C 2S 2100mAh 7.4 Receiver/Transmitter Hump LiPo Battery x2 Packs Battery Type: Lithium Polymer (LiPo) Battery Capacity: 2100mAh C Rate and Maximum Continuous Discharge (Amps): 5C (11A) Battery Volts: 7.4V Plug Type: Universal Receiver