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Hard Korr Dual Battery Wiring Kit (For Battery Box)

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This dual battery kit is designed to be used in conjunction with the Hard Korr Heavy Duty Battery Box with VSR. It offers a simple, plug-and-play method to create a dual battery wiring kit without a DC-DC charger.

This plug-and-play dual battery wiring kit makes it easy to turn your Hard Korr Heavy Duty Battery Box into a dual battery setup. It is designed to work in conjunction with our Voltage-Sensitive Relay, or can be adapted to work with a DC-DC charger as well.

This kit contains everything you need to create your dual battery setup (other than the VSR/DC-DC charger), including 6 meters of high-quality 8AWG cable and a 50A maxifuse.


All Hardkorr® products are manufactured using the highest quality materials. We are confident that they are the most durable in the market and will give you many years of reliable service. We stand behind this product with a comprehensive 2-year Australian warranty and a 30-day money back guarantee.



1x 6m 8AWG cable with 50A Maxifuse
1x Anderson plug & ring terminals (attached to cable)
1x Spare Anderson plug
2x Spare ring terminals
4x Spare heat shrink wrap
4x Cable ties