In-vehicle Dual Battery Chargers & Isolators

Do you want to find out how to properly charge a second car battery safely and effectively? Then REDARC offers the perfect dual battery setup charging solutions to suit any need, allowing you to isolate your start battery from your auxiliary battery or use DC to DC charging to ensure both batteries are topped up for extended expeditions and provide the ultimate in peace of mind for your overlanding adventures.

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.

For the next level of 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 inputs, it is the ultimate all-in-one solution for charging multiple battery banks in recreational vehicles, caravans and camper trailers. 

Avoid flat starter batteries

The REDARC Smart Start® Battery Isolator designed to be used in multi-battery applications as a solenoid priority system to protect the start battery from excessive discharge, while allowing the auxiliary battery to supply non-essential loads and accessories.

You provide the adventure, we’ll provide the power. Choose from our range of in-vehicle battery charging and maintenance solutions to find the ultimate product designed to keep your vehicle powered to perfection.


Want to speak to a technical expert or can’t find a charger to suit your needs? Contact REDARC for more help.