Floureon 2 Packs 7.4V 5200mAh 25C Li-Polymer Lipo RC Battery Pack with TRX Traxxas Plug Connector for RC Airplane, RC Helicopter, Car/Truck, Boat, Evader BX, Hobby Brand: Floureon (1 year warranty and friendly customer service) Voltage: 7.4V . Capacity: 5200mAh. Discharge: 30C Chemistry: Li-Polymer. Charge Plug: JST-XH . Discharge plug: TRX Traxxas Connector Battery Dimension: 5.51*1.89*0.98inch. Battery Weight: 9.59oz Compatible with: RC Car, RC Buggy, RC Truck, RC Truggy