Trailer Magazine


Redarc expands lithium in-vehicle battery charger range

  • Posted on Tuesday 22nd, May 2018.

South Australia-based manufacturing company, Redarc Electronics, has expanded its DC-to-DC in-vehicle battery charger range, adding two Lithium Iron Phosphate (LFP) units, specifically designed for charging 24v LiFeP040-type batteries.

“We now offer two variants of DC-to-DC chargers suited for lithium battery use, ensuring they are charged correctly to their optimal levels with chemistry specific battery charging algorithms,” Redarc said in a statement.

The LFP2420 In-vehicle battery charger is a 24 volt, 20 amp, three-stage DC-DC charger that operates from a vehicle input between 9 and 32 volts DC. While the LFP2420-LV operates in the same manner but features a lower voltage setting so it can operate with variable voltage alternators.

Both products are suited to trucking applications such as charging battery banks for tailgate lifters, sleeper cabin air conditioners and side curtains.

The Redarc LFP chargers feature a Maximum Power Point Tracking (MPPT) solar regulator allowing the use of solar power to boost the auxiliary battery charge. The MPPT regulator delivers the maximum available amount of power from solar panels to an auxiliary battery, even during low light conditions.

A unique three-stage charging profile ensures the auxiliary battery can achieve and maintain an optimal charge, with the LFP charger constantly monitoring the vehicle battery input charge level and turns off charging should the charge drop or if the vehicle is switched off, ensuring that the start battery is not flattened.

Australian designed and manufactured, the LFP In-vehicle battery chargers are based on Redarc’s award-winning BCDC platform, making them more efficient than anything else of its kind on the market.

LFP batteries are becoming more popular due to their improved storage capacity relative to size and weight, making them perfect for recreational and heavy vehicle power systems,” according to Redarc. They do, however, require specific charging conditions to operate correctly and the battery itself must have cell balancing and an in-built battery management system. Redarc have taken all of this into consideration and designed a charging profile to complement the existing range of inbuilt battery systems available.

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