Series 12040E10 battery equalizer
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Series 12040E10 battery equalizer

Eaton’s 12040 Series Battery Equalizer provides 24V power and maintains battery balance in a 12V system, which requires 24V power. The 12040 Series Battery Equalizer has an output current of 40 amps, has a switched output with offset output and is IP67 sealed. 


  • Easily implemented into a system providing 24V power from a 12V input allowing use of 12V and 24V components on a vehicle
  • Allows use of 24V electrical components in a 12V electrical system providing greater system flexibility
  • Leverage increased power of a 24V starting and charging system without having to migrate all components to 24V.
  • Clean output power able to power sensitive loads including radios and controllers
  • Proven reliability with over 500,000 fielded units


  • 10A to 55A models available
  • Output voltage offset to increase the output voltage
  • DC converter with fixed output voltage

Standards & Certifications

  • SAE J1455, J1113, CISPR 25, E mark, RoHS
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