The Redarc BCDC1250D is a high-performance 12V, 50A in-vehicle DC-DC battery charger designed to keep your auxiliary batteries fully charged using power from your vehicle’s alternator or portable solar panels. Ideal for large dual battery systems in 4x4s, caravans, and motorhomes, it’s built to deliver reliable charging on and off the road.

Dual DC and Solar Charging

Equipped with a Maximum Power Point Tracking (MPPT) solar regulator, the BCDC1250D can charge from both solar and DC power simultaneously. Its built-in Green Power Priority automatically selects solar as the primary energy source, reducing the load on your alternator and improving fuel efficiency.

Smart, Versatile Charging Technology

Featuring Smart Start technology and an advanced SoftStart charging stage, the BCDC1250D ensures optimal battery performance and extended lifespan. It supports both 12V and 24V vehicle systems and is compatible with standard and variable (smart) alternators.

The charger is suitable for all major battery types, including AGM, Gel, Standard Lead Acid, Calcium, and LiFePO? (lithium).

Engineered for Large Battery Banks

With a powerful 50A output, the BCDC1250D is perfect for battery banks over 200Ah, delivering faster and more efficient charging for energy-intensive setups. For smaller systems (75–200Ah), Redarc recommends the BCDC1225D.

Built for Harsh Australian Conditions

Designed, built, and tested in Australia, the BCDC1250D is proven to withstand the toughest environments. Withstanding temperatures up to 80°C and deep water crossings, it is fully sealed against heat, dust, water, and vibration—perfect for harsh off-road conditions.

Its award-winning charging technology has been independently verified to maximise battery life and ensure a true 100% charge every time.*

*Large capacity battery banks may require multiple cycles to reach full charge.