Technical specifications: Voltage: 7.4V Version: 2S1P Capacity: 4000mAh Continuous discharge current: max. 20C (80.0A) Short-term discharge current: max. 40C (160.0A) Charging current: max. 4C (16.0A) Weight: approx. 211 grams (including cable and plug) Dimensions: approx.LxWxH 143x43x16mm Balancer connection: XH Plug system: XT60 (socket) Cable: High current silicone cable AWG12 Main power cable length: 15cm Tension: 7.4V (2S) Capacity: 4000mAh continuous discharge: 20C