ELCO female: White Charging Connector for HiTEC Transmitter batteries. Plug your HiTEC battery pack (the kind with the small square White 2-Pin connector - called an ELCO connector) into this Female-Receptacle connector for Custom Charging applications. Includes wire leads. Use this to charge battery models such as 54114, 58101, 58207, 54124, 54128, etc. Priced at $3.00 each. Has about 5" of wire leads.