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Redarc Dual Battery Systems

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Regular price $644.00
Sale price $644.00
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REDARC BCDC1220-IGN – The Ultimate Aussie 4WD DC-DC Charger The REDARC BCDC1220-IGN is a rugged, multi-stage DC to DC dual battery charger designed to fully charge a lead acid auxiliary battery, ev...
Regular price $649.00
Sale price $649.00
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REDARC BCDC1220: The Ultimate 12V 20A In-Vehicle DC-DC Battery Charger for Aussie 4WDers The REDARC BCDC1220 is a rugged 12V 20A in-vehicle DC-DC battery charger designed to keep your auxiliary bat...
Regular price $899.00
Sale price $899.00
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BCDC Alpha 50A – Ultimate Power for Your 4WD Adventures Never run flat. Always stay charged. Wherever the tracks take you, REDARC’s BCDC Alpha 50A keeps your batteries powered, ensuring you’re neve...
Regular price $799.00
Sale price $799.00
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BCDC Alpha25 – Adventure-Ready Charging for Your 4WD Stay powered up no matter where the tracks take you with REDARC’s BCDC Alpha25. This rugged 25A DC-DC charger keeps your start and auxiliary bat...
Regular price $1,499.00
Sale price $1,499.00
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REDARC BCDC Alpha50 R – Always Charged, Never Stranded Wherever the Aussie outback takes you, stay powered up with REDARC’s BCDC Alpha50 R. Delivering 50A of advanced DC-to-DC charging, this rugged...
Regular price $231.00
Sale price $231.00
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Maximize Your 4WD's Battery Performance with the SBI12-BLD Battery Isolator Designed for the serious 4WD adventurer, the SBI12-BLD Smart Start Battery Isolator is a must-have for anyone looking to ...
Regular price $232.00
Sale price $232.00
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SBI12-LLD: The Ultimate Protection for Your Lithium Battery in the Harsh Aussie Outback Looking for a reliable way to safeguard your lithium battery from being over-discharged on your next off-road...
Regular price $453.00
Sale price $453.00
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REDARC 12V Smart Start Dual Battery Isolator and Wiring Kit (SBI12KIT) – The Ultimate Solution for Your 4WD Setup Take control of your 4WD's power management with the REDARC 12V Smart Start Dual Ba...
Regular price $322.00
Sale price $322.00
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Power Up Your 4WD Adventure with the REDARC Smart Start SBI24D! Serious about off-road adventures or running a commercial 4WD setup? The REDARC Smart Start SBI24D 100A Dual Battery Isolator is your...
Regular price $589.00
Sale price $589.00
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Power Up Your 4WD Adventures with the REDARC Smart Start SBI224D! If you're serious about off-road adventures, remote touring, or heavy-duty commercial applications, you need a reliable dual batter...
Regular price $543.00
Sale price $543.00
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Power Your Adventures with the REDARC Smart Start SBI212D 200A Dual Battery Isolator Whether you're tackling rugged off-road tracks or setting up camp in the great outdoors, reliable power is a mu...
Regular price $515.00
Sale price $515.00
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REDARC Smart Start SBI224 200A – The Ultimate 24V Dual Battery Isolator for Heavy-Duty 4WD & Commercial Applications Take your 4WD, truck, or commercial vehicle to the next level with the REDAR...
Regular price $268.00
Sale price $268.00
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Power Your 4WD Adventures with the REDARC Smart Start SBI12D Dual Battery Isolator When you're off the beaten track, reliability is everything. The REDARC Smart Start SBI12D 100A Dual Battery Isola...
Regular price $278.00
Sale price $278.00
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Power Up Your 4WD with the REDARC Smart Start SBI24 100A Never Get Stranded – Smart Battery Isolation for Ultimate Reliability When you're out exploring the rugged Australian terrain, the last thin...
Regular price $470.00
Sale price $470.00
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REDARC Smart Start SBI212 200A – The Ultimate Dual Battery Isolator for 4WD and Heavy-Duty Applications When you’re tackling the rugged Australian outback or working in demanding commercial conditi...
Regular price $235.00
Sale price $235.00
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Power Your Adventures with the REDARC Smart Start® SBI2 Are you ready to take your 4WD experience to the next level? The REDARC Smart Start® SBI2 is the ultimate dual battery isolator designed for ...

Power Your 4WD Adventures with REDARC’s Superior Dual Battery Systems

When you’re off-road, reliability isn’t a luxury—it’s a necessity. Whether you’re exploring Australia’s rugged outback, heading off-grid for the weekend, or just need dependable power for your work vehicle, REDARC’s advanced dual battery systems ensure you’re always charged and ready.

Why Choose REDARC?

Unmatched Battery Protection – Safeguard your start battery from excessive discharge with REDARC’s Smart Start SBI technology. Available in 12V and 24V, with 100A and 200A options, our dual battery isolators keep you powered no matter the conditions.

Ultimate Charging Performance – Our DC-DC battery chargers deliver and maintain an optimal charge, regardless of battery type or size, ensuring peak performance every time.

Total Power Control – Monitor and manage your auxiliary battery with REDARC’s Battery Management Systems. Whether you’re running a fridge, lights, or other 12V accessories, you’ll always know your power status.

Lithium-Ready Solutions – Upgrade to REDARC’s Lithium Deep Cycle Batteries for maximum efficiency and longer-lasting power storage, perfect for serious 4WD enthusiasts.

Find Your Perfect Dual Battery Setup

Not sure which system suits your vehicle best? Use the FREE REDARC Dual Battery Calculator to determine the ideal setup for your needs.

Stay Powered, Stay Adventurous

From long-haul trips to everyday reliability, REDARC’s industry-leading charging technology ensures you’re always one step ahead. Don’t get caught without power—equip your 4WD with REDARC today!