Seller notes

Description Best dual battery isolator kit with voltage-sensitive relay (VSR) for adding that 2nd or 3rd battery to the system in your car, truck, van, SUV, RVs, boat, or whatever you wish. Dual battery wiring kit contents 1 (SBI) True® Smart Battery Isolator install kit with mounting screws 20 feet #6 high flex red cable with tinned copper cable lugs 3 feet #6 high flex black cable with tinned copper cable lugs 2 positive brass alloy battery terminal ends 1 negative brass alloy battery termina...

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