Premium Dual Battery Chargers - Keep Your Auxiliary Battery Charged On The Go

Essential for 4WDs, caravans, camper trailers, and touring vehicles, our range of dual battery chargers ensures your auxiliary battery stays charged from your alternator and solar panels while protecting your starter battery.

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Featuring industry-leading dual battery chargers from REDARC, PROJECTA, BAINTECH, and more - trusted by off-road enthusiasts and professionals across Australia.

Key Features

• DC to DC Charging – Efficiently charge auxiliary batteries from your vehicle's alternator with multi-stage smart charging
• Solar MPPT Integration – Dual input models combine alternator and solar charging for maximum power
• Multi-Chemistry Support – Compatible with AGM, Gel, Calcium, and Lead Acid batteries; select models support Lithium (LiFePO4)
• Power Range – From 25A to 50A output to suit different battery bank sizes and charging needs
• Smart Alternator Compatible – Works with modern variable voltage alternators and Euro 5/6 vehicles
• Extreme Conditions Rated – IP66/IP67 waterproof ratings and tested for high temperatures up to 80°C

Perfect For

Ideal for touring setups, dual-cab utes with canopies, camper trailers, caravans, and any vehicle running fridges, lighting, or accessories off an auxiliary battery. Whether you're weekend camping or extended remote travel, a quality dual battery charger is essential for reliable power management.

Available for delivery across Australia or professional installation at our NSW locations. Expert advice and system design support from the team at Frankie's Auto Electrics.