Redarc 1240 BCDC Battery Charger

The REDARC BCDC1240 is a 12 Volt 40 Amp In-vehicle DC DC charger designed to keep your auxiliary battery charged whilst driving or via portable solar panels when you’re stopped. The DC charger uses a multi-stage charging profile to ensure your auxiliary batteries are charged to a proven 100%.

Commonly the BCDC1240 is used for battery bank sizes over 200AH. For smaller batteries of 75-200AH REDARC recommends the BCDC1225. With chemistry specific unique charging profile, all major lead acid batteries will achieve and maintain an optimal charge.

The BCDC in-vehicle 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, extracting the maximum amount of power from solar panels to charge an auxiliary battery, even during low light conditions.

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

Proven and Tested

Compact in size, easy to install and fully sealed – water, dust and vibration are no match for the in-vehicle DC DC charger. Handling the roughest tracks in outback Australia and even deep water crossings at Cape York, the In-vehicle battery charger won’t let you down. The BCDC DC to DC battery charger is suitable for installation in harsh environments or marine applications.

With an ever increasing number of electrical accessories and devices being used when travelling around Australia, along with more complex vehicle electrical systems than seen in years gone by, having the right battery charging solution has never been more important.

Designed, built and tested in Australia for our unique conditions, the REDARC DC to DC charger is the brand you can trust.


  • Multi Stage DC to DC Battery Charger
  • MPPT Solar regulator
  • Start Battery Isolator
  • Fully sealed
  • No fan for super quiet operation
  • Charges AGM, Gel, Calcium content, VRLA and Standard Lead Acid batteries