Keep your boat's electrical system ready for early bass launches, night walleye runs, and long salmon trolling passes with the Boating Essentials Marine Battery Terminal Kit. This 12V marine battery terminal set gives anglers a dependable way to upgrade battery connections, convert an automotive post style to a marine wing nut style battery setup, and maintain efficient power delivery to trolling motors, electronics, lights, and onboard accessories. Durable, corrosion-resistant materials handle harsh marine environments, and the color-coded terminals make installation and service easier when you need to identify positive and negative posts quickly at the dock or in the garage. The kit fits most standard marine batteries and includes a 5/16 in. negative post, 3/8 in. positive post, and PVC coated butterfly nut for a secure, practical connection on a wide range of boats. Converts an automotive post style battery to a marine wing nut style battery connection Includes 5/16 in. battery negative post, 3/8 in. battery positive post, and PVC coated butterfly nut Corrosion-resistant materials support reliable electrical connections in harsh marine conditions Color-coded 12V marine terminals fit most standard marine batteries across a wide range of boats