1Application: Thru panel battery connector can be widely used in cars, RVs, ships, yachts, cars, agricultural vehicles and other power systems. 2Function: These thru panel connectors allow you to pass the battery cable through the firewall in the right way without worrying about rubbing the wires. 3Safe and Convenient: 3/8in brass terminal, 250A rated current. The battery terminal connector is used for convenient connection of power and ground. 4Premium Material: Battery terminal is made of zinc alloy, brass, Abs and other materials to ensure stable performance and long term durability. 5Strict Test: The manufacturing conforms to the standard specification, strictly follows the factory quality control. Provide a secure connection point for installation.