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![REDARC BCDCWK-005]()
BCDC 50A Across Engine Bay Install Wiring Kit BCDCWK-005USD $295.00This engine bay specific kit is designed to suit the installation of a 40 or 50amp BCDC DC to DC charger where the batteries are located in different sides of the engine bay. -
![REDARC BCDCWK-004]()
BCDC 50A Side by Side Engine Bay Install Wiring Kit BCDCWK-004USD $195.00This engine bay specific kit is designed to suit the installation of a 40 or 50amp BCDC DC to DC charger where the batteries are located in close proximity. -
![REDARC BCDCWK-003]()
BCDC 25A Rear Install Wiring Kit BCDCWK-003USD $285.00This engine bay specific kit is designed to suit the installation of a 25amp BCDC DC to DC charger where the batteries are located at opposite ends of the vehicle. -
![REDARC BCDCWK-002]()
BCDC 25A Across Engine Bay Wiring Kit BCDCWK-002USD $265.00This engine bay specific kit is designed to suit the installation of a 25amp BCDC DC to DC charger where the batteries are located in different sides of the engine bay. -
![REDARC BCDCWK-001]()
BCDC 25A Side by Side Engine Bay Wiring Kit BCDCWK-001USD $195.00This engine bay specific kit is designed to suit the installation of a 25amp BCDC DC to DC charger where the batteries are located in close proximity. -
![REDARC SBI24D]()
Dual Sensing Smart Start Battery Isolator 24V 100A SBI24DUSD $190.00The REDARC Smart Start® SBI24D is a 24V 100A dual battery isolator that is used to isolate start and auxiliary batteries in a dual battery system. It protects the start battery from a low charge in the secondary battery. -
![REDARC SBI24]()
Smart Start SBI 24V 100A SBI24USD $165.00The REDARC Smart Start® SBI24 is a 24V 100A dual battery isolator used to isolate the start and auxiliary batteries in a dual battery system. -
![REDARC SBI224D]()
Dual Sensing Smart Start Battery Isolator 24V 200A SBI224DUSD $350.00The 24V 200A REDARC Smart Start® SBI224D primarily used in commercial vehicles to protect the start battery from excessive discharge and provides 24V DC, while incorporating 200A of continuous ratings. -
![REDARC SBI224]()
Smart Start SBI 24V 200A SBI224USD $305.00Smart Start® SBI224 protects the start battery from excessive discharge while the auxiliary battery is supplying non-essential loads in dual battery systems. -
![REDARC SBI212D]()
Dual Sensing Smart Start Battery Isolator 12V 200A SBI212DUSD $325.00The REDARC Smart Start® SBI212D is a 12v 200A dual battery isolator used in a dual battery system. It is designed to protect the start battery from excessive discharge while allowing the auxiliary battery to supply non-essential loads. -
![REDARC SBI212]()
Smart Start SBI 12V 200A SBI212USD $280.00The REDARC Smart Start® SBI212 is a 200A 12V battery isolator used as a solenoid priority system to protect the start battery from excessive discharge while the auxiliary battery is supplying non-essential loads. -
![REDARC SBI12KIT]()
Smart Start Battery Isolator & Wiring Kit 12V SBI12KITUSD $269.00The REDARC Smart Start® SBI12D is a 100A 12v dual battery isolator used in a dual battery system. It protects the start battery from excessive discharge while allowing the auxiliary battery to supply non-essential loads.
Dual Battery Systems
Do you want to find out how to properly charge a second car battery safely and effectively? REDARC offers the perfect dual battery system to suit any need. Whether you want to isolate your vehicle’s start battery from your auxiliary battery or use a REDARC DC to DC charger to ensure both batteries are topped up for extended expeditions - you’ll get peace of mind for any overlanding adventures with REDARC’s dual battery setups. learn more
Maintain 100% charge
REDARC’s range of 25amp, 40amp and 50amp in-vehicle battery chargers allow you to maintain 100% charge for your secondary battery.* With solar input available in our award-winning BCDC dual input battery chargers, you’ll never have to worry that your RV house batteries are not charging while you’re driving.
*large capacity battery banks may require a few cycles to fully charge.
For the next level of multi battery charging and maintenance, consider The Manager30 battery management system. The Manager30 is a state-of-the-art battery management system that knows how to put you in charge. Incorporating AC, DC, and solar panel inputs, it’s the ultimate all-in-one solution for charging multiple battery banks in recreational vehicles, caravans and camper trailers.
Avoid flat starter batteries
Adventure further and for longer with REDARC dual battery isolators. Designed to be used in multi-battery applications as a solenoid priority system, these isolators protect the primary battery from excessive discharge, while allowing the auxiliary battery to supply non-essential loads and accessories.
Take charge with a REDARC dual battery system
You provide the adventure, we’ll provide the power. Choose from our range of in-vehicle battery charging, dual battery systems and maintenance solutions to keep your vehicle powered to perfection. Shop high quality dual battery systems, DC power supplies and more online at REDARC. Free shipping available in the contiguous US, and if you need any help with the installation, contact the REDARC customer support team.
NEED SOME 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.
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