Features and Benefits Tenergy 25C 2200mAh 11.1V 3S Li-Polymer battery is the best choose for 3D flyer of Trex 400/450 and other similar size helicopters. 25C high discharge rate will give you the power you can never think of. Long lasting and powerful. * Continuous Discharge Rate: 25C / 55A * Burst Discharge Rate: 50C / 99A * Dimension: 103.5x 34x 25.5mm * Weight: 181g / 6.4oz Discharge (Output) Leads: 14 AWG silicon wire, 80 mm long, no connector Charging (Balancing) Lead: TP Style 4-pin connector. 24AWG PVC wire, 35 mm Long Note: Please read instructions before using!