Dual Battery Systems

The last thing anyone wants when they’re out on the road is a dead battery. Give yourself peace of mind and the freedom to drive as far as your journey takes you with REDARC’s selection of battery chargers, testers and battery management systems. Shop for everything your dual battery system needs right here online. learn more

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  1. Smart Start Battery Isolator & Wiring Kit 12V SBI12KIT
    Special Price A$394.13 Regular Price A$437.92
    The REDARC 12V Smart Start Dual Battery Isolator and Wiring Kit (part number SBI12KIT) comes with everything required to install your Smart Start® Dual Battery Isolator, just plug and play.
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A BETTER DUAL BATTERY SYSTEM WITH REDARC

No matter the battery type you’re after for your vehicle, REDARC has the solution with an advanced selection of dual battery isolators and DC to DC chargers. REDARC’s dual battery systems are systematically designed to protect your start battery from excessive discharging during multi-battery applications. Built using REDARC’s advanced Smart Start SBI technology, our dual battery isolators are available in 12V and 24V operating voltage, as well as 100A and 200A current ratings.

Our wide selection of in-vehicle battery chargers feature 100% proven technology that delivers and maintains optimal charge regardless of its type or size. Select from a diverse range of input (operating) voltage, output voltage and current ratings to find the perfect combination for your vehicle.

To assist with your battery stage charging, REDARC also provides a variety of convenient battery management systems that give you full visibility of your battery and its needs. Incorporating state-of-the-art systems, REDARC’s battery management systems are designed to charge and maintain auxiliary batteries used in recreational automotive and marine vehicles. Our selection of battery testers will also ensure that the state of your battery health is always top notch, accurately reporting on all 12V lead acid batteries.

Before selecting any of our battery charging products, be sure to find out what the best dual battery system setup is for your vehicle using the free REDARC Dual Battery Calculator tool. Aslo check out REDARC's range of Lithium Deep Cycle Batteries for the ultimate in dual battery power. 

Having the right charging and maintaining tool for your vehicle is essential for long trips, four wheel driving, work vehicles and even just general day-to-day commutes. You never know when your battery may need a reboot, but with REDARC’s advanced battery charging technology you’ll always be one step ahead. Get started today with our blog on Where To Install Your Dual Battery Setup.

Need a little help with choosing the right product? We're here to help! You can use our handy vehicle look-up tool, find a local installer or stockist in your area or check out our FAQs.

Still not sure? Don't stress, you can contact our helpful Tech Support Team by phone or email too.

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Need a little help with choosing the right product? We're here to help! You can use our handy vehicle look-up tool, find a local installer or stockist in your area or check out our FAQs.

Still not sure? Don't stress, you can contact our helpful Tech Support Team by phone or email too.

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