Rugged Ridge Dual Battery Relay 70-18 Jeep CJ / Jeep WranglerDont kill your extra battery. The Rugged Ridge Dual Battery Relay is a simple cost effective way to keep your additional battery charged when not in use. Use both simultaneously, or one at a time as you keep the other charged. The kit includes relay, switch, and wires. This Part Fits: Year Make Model Submodel 1970 1983 Jeep CJ5 Base 1977 1980 Jeep CJ5 Golden Eagle 1980 1983 Jeep CJ5 Laredo 1982 1983 Jeep CJ5 Limited 1975 1983 Jeep CJ5 Renegade 1970