Charge Equalizer
Charge Equalizer
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Charge Equalizer

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The REDARC range of Charge Equalizers is designed for use where 12 volt power is drawn from one battery in a two battery 24 volt system and ensures one battery is not being drained of its power or charged unevenly. Not only will a Charge Equalizer extend the lifetime of your batteries, it will also keep your speciality equipment running smoothly and safely.

Available in two models, the 25 amp (CE25) and 40 amp (CE40S2), REDARC Charge Equalizers will split battery power evenly and manage the charge of a 12 volt supply in a 24 volt vehicle.

The state-of-the-art 25 and 40 amp models feature automatic isolation and boast the most efficient design and compact hardware available.

All REDARC Charge Equalizers are manufactured to withstand the harshest conditions, are ideal for commercial needs and designed using the same rugged technology as REDARC’s BCDC In-vehicle Dual Battery Charge.

Why do I need a charge equalizer?

Taking 12 volts from the centre point of a 24-volt battery bank is a common way to use 12-volt devices on heavy transport vehicles and earth‑moving machinery. A good example of this is an electric hydraulic pump for lifting tailgates, decks, ramps, or cranes.

This has enabled high current loads to draw the power whilst the engine is running without a dedicated (auxiliary) 12-volt battery of their own.

However, this can cause the ‘lower’ battery to be undercharged and the ‘upper’ battery to be overcharged, causing the batteries to be unbalanced. This can cause:

  • Poor engine starting

  • Poor operation of 12-volt loads

  • Sensitive load dropouts

  • Visible leakage of distortion of the upper batteries

  • Costly battery servicing

  • Reduced battery life and premature battery failure

The solution is a Charge Equalizer, whose job is to monitor the voltages on both the upper and lower batteries and manage current flow between them at a rate that means the two batteries have the same charging effort applied at all times.

With the addition of a Charge Equalizer, starting power is maintained, battery service life is returned to normal, and unnecessary downtime is avoided.

What’s in the Box?

REDARC Charge Equalizer