A second battery is only useful if it stays charged, and a dead auxiliary battery is easy to miss until the winch or fridge needs it. The Rugged Ridge Dual Battery Relay is a cost effective way to keep an additional battery charged when it is not in use. Use both batteries at the same time, or one at a time while the other charges. The kit includes the relay, a switch and wires.
MPN 17265.01 · UPC 804314228071
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