This dual battery relay from Rugged Ridge fits 70-83 Jeep CJ5, 1970-1975 CJ6, 1976-1986 CJ7, 1981-1986 CJ8, and 1987-2018 Wrangler YJ, TJ and JK.
Don't 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.
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