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Dual Battery Chargers

Our DC to DC chargers keep your battery charged whilst driving & will fully charge auxiliary batteries to a proven 100%. An essential component of a dual battery system, you can browse and buy online at REDARC.

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  1. BCDC Alpha 25A DC Battery Charger BCDC12025B
    A$799.00
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    With a combination of DC and solar charging, the BCDC Alpha25 is a rugged 12V, 25A DC-DC battery charger perfect for charging batteries used in a range of recreational vehicles and 4x4s so you can adventure for longer.   

  2. BCDC Alpha 50A DC Battery Charger BCDC12050B
    A$899.00
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    Perfect for charging batteries in a range of recreational vehicles, REDARC’s BCDC Alpha50 is a rugged 12V, 50A DC to DC battery charger, ensuring you’re always charged and never stranded.  

  3. 20A Under Bonnet DC Battery Charger BCDC1220
    A$649.00
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    Keep your battery charged while driving with the REDARC BCDC1220, a 12V 20A in-vehicle, multi-stage, DC to DC battery charger.
  4. 20A Ignition Control Under Bonnet DC Battery Charger BCDC1220-IGN
    A$644.77
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    The REDARC BCDC1220-IGN is a multi-stage DC to DC dual battery charger which features technology capable of fully charging a lead acid auxiliary battery.
  5. BCDC Classic Under Bonnet 25A DC Battery Charger BCDC1225D
    A$699.00
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    The REDARC BCDC1225D In-vehicle Dual Battery Charger is a 12 volt, 25A in-vehicle DC-DC battery charger designed to charge your secondary battery banks to 100% state of charge while on the move.*
  6. BCDC Classic Under Bonnet 40A DC Battery Charger BCDC1240D
    A$809.00
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    The REDARC BCDC1240D is a 12V, 40A In-vehicle DC to DC Battery Charger designed to keep your auxiliary battery charged when driving or with portable solar panels when parked.
  7. BCDC Classic Under Bonnet 50A DC Battery Charger BCDC1250D
    A$889.00
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    The REDARC BCDC1250D is a 12V, 50A In-vehicle DC to DC Battery Charger designed to keep your auxiliary battery charged when driving or with portable solar panels when parked.
  8. 24V 20A Under Bonnet DC Battery Charger BCDC2420
    A$945.00
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    The REDARC BCDC2420 In-vehicle Dual Battery Charger is a 3-stage, 24V, 20A, DC to DC charger that operates from a vehicle input between 9 and 32 Volts DC.
  9. BCDC Core In-Cabin 40A DC Battery Charger BCDCN1240
    A$499.00
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    In-Cabin 12V 40A DC to DC battery charger with Solar. Lithium Compatible.
  10. BCDC Core In-Cabin 25A DC Battery Charger BCDCN1225
    A$429.00
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    In-Cabin 12V 25A DC to DC battery charger with Solar. Lithium Compatible.
  11. BCDC Trailer S - 12A Vehicle to Trailer Charger with Solar BCDC1212S
    A$464.72
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    Charge your trailer batteries with this 12amp charger from REDARC. The BCDC Trailer S features a DC-DC charger, an MPPT solar regulator and a smart battery isolator all packed into one compact, lightweight unit.

  12. Out of stock
    Off Grid Power Kit OFFGRIDKIT
    A$2,575.24 Regular Price A$2,861.39
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    *Online Exclusive Bundle* With all the parts you need for charging, monitoring and control of your 12V system, take your off-grid power setup to the next level.
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Engine Bay Install
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Trailer Install

ADVANCED DC TO DC BATTERY CHARGERS

Compact in size, easy to install and suitable for 12 or 24 volt vehicle systems, REDARC's dual battery chargers work with either standard voltage alternators or smart alternators.


The REDARC range of dual battery chargers features the rugged, under bonnet-capable BCDC Classic range. These are fully sealed and potted to survive and thrive under extreme heat, as well as being water, dust and vibration proof. Our BCDC Core chargers are ideal for in-cabin, canopy or boot installations, offering all of the market leading features without being fully potted, saving you money on your dual battery setup. Finally, our BCDC Alpha range is the next generation of our trusted DC to DC charging technology, featuring start battery recovery with the push of a button.

Do you love using 4WD solar panels on your 4WD? REDARC's DC to DC battery chargers feature next generation battery charging technology, and are able to charge from Solar and DC inputs simultaneously.

Before selecting any of our battery charging products, be sure to find out the best dual battery setup for your needs with REDARC's Dual Battery Calculator. Designed, built and tested in Australia for our unique conditions, our dc to dc chargers won't let you down.

Need some extra support when it comes to towing? REDARC's Tow Pro range of electric brake controllers offer a safe and effective trailer brake control system that will make you feel more secure on the road. Having the right setup for your car, caravan or 4WD is crucial to ensuring your journey goes smoothly, especially if you're heading out into the Australian bush. To get you there and back safely, you can trust REDARC.

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.

NEED SOME HELP?

FIND LOCAL INSTALLER
TECH HELP

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.

FIND REDARC AT LEADING RETAILERS & SPECIALISTS

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