# JST-male. JST-GWS male red 2-pin connector with 6″ wire leads. Goes on battery pack. Use on electric flight batteries and Tx batteries. This connector is also known as GWS-BEC connector. This smaller end is referred to as the “Male” or “battery” end. Connector head is 1/2″ long, 3/16″ wide, 1/8″ thick.