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
The 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.
The SBI12-LLD is a microprocessor-controlled Load Disconnect Isolator. The SBI12-LLD is designed specifically for use in LiFePO4 battery applications as a system to protect the lithium battery from being excessively discharged by auxiliary loads.
The SBI12-BLD is used in conjunction with a REDARC Manager30 BMS in a 12v negative ground automotive system to protect the auxiliary battery from excessive discharge.
The REDARC Smart Start® SBI12 is a 100A 12V microprocessor-controlled battery isolator which protects the start battery from excessive discharge, while allowing the auxiliary battery to supply charge to non-essential loads.
REDARC's KIT19 is a cable capable of distributing 50 Amps to a battery positive terminal from a battery charger and provides protection of the wiring minimizing voltage drop.
The REDARC 60A Fuse Kit is equipped with top quality fuses and fuse holders to fit the cable necessary for the specified current and make a solid connection.
The REDARC 40A Fuse Kit is equipped with high-quality fuses and fuse holders to fit the cable required for the specified current and make a solid connection.
The REDARC 30A Fuse Kit is equipped with high-quality fuses and fuse holders to fit the cable required for the specified current and make a solid connection.
The REDARC 23A Fuse Kit is equipped with high-quality fuses and fuse holders to fit the cable required for the specified current and make a solid connection.
The REDARC 100A Fuse Kit is designed for Smart Battery Isolator installations. It is equipped with the best quality fuses and fuse holders to fit the cable needed to make a solid connection.
Looking to add a second display unit to your REDARC RedVision TVMS? The DISP4300-RC is now available and also suitable as a replacement display screen. Shop here.
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 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.