Korr Voltage-Sensitive Relay Kit for Hardkorr Battery Box

The Korr Voltage-Sensitive Relay Kit for Hardkorr Battery Box is a simple way to make a dual-battery setup for your vehicle. The VSR acts as an isolator, which allows the auxiliary battery in the box to charge from the crank battery while your car is running. It has fully automatic operation and built-in surge protection, and it's easy to retrofit into Hardkorr battery boxes. It's easy to install, and with a 2 year Australian warranty as a mark of quality.

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