Sinister Accessories - 80 AMP Battery Isolation and Relay Complete Installation Kit, Ibr80A-Kit 80 AMP battery isolator and relay installation kit - everything you need for installation is include Prevents primary battery discharge Kit includes turn-on wire, ground wire, ring terminals, cable ties, and loom for a clean and easy in Saves battery life, maximum current transfer Universal application, works in all types of alternators and charging systems