The REDARC BCDC1240D DUAL INPUT is a 12V, 40A in-vehicle DC-to-DC battery charger. It represents the next generation of REDARC in-vehicle charging technology, capable of charging from solar and DC inputs simultaneously.
Featuring a Maximum Power Point Tracking (MPPT) solar regulator, the BCDC1240D charges from both solar and the alternator at the same time. With built-in Green Power Priority, it selects solar charging first — reducing the load on your alternator and saving fuel.
Suitable for 12V or 24V vehicle systems, the unit works with both standard and variable/smart alternators. The BCDC1240D features the same patented charging profiles as its predecessor along with a dedicated lithium charging profile, making it suitable for AGM, Gel, Standard Lead Acid, Calcium and LiFePO₄ batteries.

As a guide, the BCDC1240D is recommended for battery bank sizes over 200AH. For smaller battery banks of 75–200AH, REDARC recommends the BCDC1225D.
Proven and Tested
The award-winning technology in the BCDC range has been independently verified and tested to maximise battery life, charging your battery to a proven 100%. Built in Australia and rigorously tested for our unique conditions, the DC-to-DC battery charger operates reliably in the extreme heat of the Simpson Desert — up to 80°C — and through deep water crossings at Cape York. Water, dust and vibration are no match for this charger.

If you're heading out into the bush and want to get there and back again safely, you can trust REDARC.
Mounting Brackets
In addition to quality fuse kits, REDARC offers a range of vehicle-specific mounting brackets for the BCDC DC-DC Charger range. The 304 stainless steel bracket allows installation towards the front of the vehicle for cooler airflow, ensuring optimal performance. Brackets are designed to fit existing mounting points in the vehicle.
