The REDARC BCDC1240D is a 12V, 40A In-vehicle DC to DC Battery Charger designed to keep your auxiliary battery charged when driving or with portable solar panels when parked. It uses multi-stage DC-DC charging, a system that allows optimum charging levels for your auxiliary battery. It is solar ready and suitable for many battery types including lithium, AGM, GEL, standard lead acid and calcium.  

DUAL BATTERY CHARGER WITH SOLAR INPUT

The DC to DC battery charger works from a wide operating range (9-32V) and provides the option of charging from both 12V and 24V vehicle systems. Additional features include a Maximum Power Point Tracking (MPPT) solar regulator, which allows the maximum amount of power to be delivered from your solar panels to your auxiliary battery.

BEST DIY DC BATTERY CHARGER

For self installation, we recommend also purchasing the REDARC FK60 60amp fuse kit.

MULTI-STAGE CHARGING PROFILE

This Solar Ready smart charger also acts a dual battery isolator. If the voltage gets too low, the start battery is protected. It’s fan free creating a quiet operation, is fully sealed, and has multiple levels of fault protection. The SEMA Global Media Awarding winning BCDC1240D is perfect for charging AGM, Gel, Standard Lead Acid, Calcium, and LiFePO4 batteries. The in-vehicle dual battery range keeps your auxiliary battery banks charged to their optimal levels and lets you continue your adventure uninterrupted.

BUILT TOUGH FOR ALL CONDITIONS

This DC-DC battery charger with solar input has been proven to work in all types of terrains, including deep water crossings, and stands up against extreme heat (up to 176°F). It’s fully sealed against the risk of infiltration from water and dust and will hold up to the adventure at hand. It's designed to maximize the performance and life of your auxiliary battery and is suited for battery bank sizes of 200AH and above in most applications.

Made in Australia by REDARC this amazing range has undergone years of testing in some of the harshest conditions on the planet. REDARC has been in business for nearly 40 years and all of our products are made tough enough to take anything nature can throw at them.

*Suitable for use on vehicles with conventional alternator charging systems.

NEED HELP?

For help in choosing the best dual battery setup for your needs use the free REDARC vehicle selector.

HANDY TIPS

How to determine if you have a variable voltage (smart) alternator

How to access an ignition source (for the blue wire) when your BCDC is installed in a trailer.

Not sure what dual battery system is best for your vehicle? Let Shaun Whale explain more.

California residents: see Proposition 65 information