Floureon 2 Packs 7.4V 2S 5200mAh 25C Li-Polymer Lipo RC Battery Packs with XT60 Plug Connector for RC Airplane RC Helicopter RC Car/Truck RC Boat Evader BX RC Hobby Brand: Floureon (1 year warranty and friendly customer service) Chemistry: Li-Polymer ; Voltage: 7.4V ; Capacity: 5200mAh; Discharge: 30C; Charge Plug: JST-XH ; Discharge plug: XT60 Connector Compatible: RC Car, RC Buggy, RC Truck, RC Truggy Battery Dimension: 5.51*1.89*0.98inch; Battery Weight: 9.59oz