Zippy Flightmax batteries deliver full capacity & discharge as well as being the best value batteries in the hobby market today!Spec.Capacity: 5200mAhVoltage: 2S2P / 4 Cell / 7.4vDischarge: 30C Constant / 40C BurstWeight: 314g (including wire, plug & case)Dimensions: 137x46x25mmBalance Plug: JST-XHDischarge Plug: 4mm Bullet-Connector