Dual Battery System

We supply and fit dual battery systems including the most popular dual battery system on the market today ” Redarc”. The REDARC BCDC1225  or BCDC1240 area 12 Volt 25 Amp/40Amp  In-vehicle DC to DC charger is designed to keep your auxiliary battery charged whilst driving or with portable solar panels when you’re parked. The system charges your auxiliary battery to their optimum levels, using multi-stage DC-DC charging.

As a guide, the BCDC1225 is suited for a battery bank size of 75-200AH. REDARC recommends the BCDC1240 for over 200AH. It will provide a battery chemistry-specific charging profile and is able to achieve and maintain an optimal charge to all major lead-acid batteries.

The BCDC dual battery charger will work from a wide operating range (9 – 32V) giving the option of charging from both 12V and 24V vehicle systems.

The BCDC DC-DC charger also features a Maximum Power Point Tracking (MPPT) solar regulator, allowing you to deliver the maximum amount of power from your solar panels to your auxiliary battery.

With multiple levels of fault protection. The smart charger will act as a dual battery isolator, should the voltage get too low, the start battery will be protected.