This is the Venom Group Bullet Plugs to Universal Battery Plug Set for 2S LiPo Batteries. FEATURES 4mm male bullet connectors plug into a charger and allow charging a 2S LiPo battery with one of the following battery plugs, Tamiya Traxxas, Deans and EC3 Each plug has silver plated connectors for high conductivity and low resistance and a durable Zytel high temp plastic body Reverse polarity protection Balance connector with 2mm male bullet connector Heavy 12AWG wires INCLUDES 4.25" (108mm) 12AWG wires with two 4mm Bullet Connectors and Balance Connector on one end and Venom Plug on the opposite end with one each Tamiya, Traxxas, Deans and EC3 connectors REQUIREMENTS Plugging bullet connectors into charger and selecting correct connector to mate with 2S LiPo pack being charged