HB HOMEBOAT&reg; 7.4V 2000mAh Li-po Round Jack Battery (1PC) and Balance Charger (1PC) for Syma X8C X8W Venture RC Quadcopter Spare Part Compatible with Syma X8C X8W Venture RC Quadcopter Package including: 1x Balance Charger (US Plug) and 1x Battery (Round Jack) Remarks: There are 2 kinds of connectors (Round-shape,T-shape) for Syma X8C Quadcopter. Please make sure the connector of your drone is Round shape before ordering the charger and battery set.