LANDVO 7.4V 2000mAh Lithium Battery with Banana Connector for Syma X8C X8W X8G RC Quadcopter Spare Part Pack of 2 Powerful lipo battery for Syma X8C X8W X8G Venture Capacity: 7.4V 2000mAh Discharge rate: 25C One full charged battery offers a flight about 5-8 mins Dimensions: 8 x 3.3 x 1.8cm(LxWxH)