This simple and easy to use system will help keep your IMA battery in working condition.  This system works by balancing the cells in the battery pack. This will keep higher MPG and have more assist power!  Fix those troublesome IMA CEL lights.  The system comes with everything needed to install (except some simple tools).  The charger itself, vehicle-installed harness, IMA cooling fan connections, IMA fan controller, zip-ties and printed color instructions.  For those stubborn packs, discharging is available (with separately purchased discharger).

Main Features:
  • Main IMA battery charging system provides a charge at a constant 280mA rate (+/- 5%)
  • Secondary system provides 12V power for the IMA cooling fan
  • Special IMA cooling fan controller board
  • Volt meter (+/-1%)
  • 3ft cable from grid charger with 4-pin connector
  • 6ft cable to be installed in car with 4-pin mating connector
  • US Power cable included (EU type F, UK type G available)
The 6ft cable that is installed in the car includes the following connections:
  • Ring terminal for positive IMA battery connection
  • Ring terminal for negative IMA battery connection
  • In-line fuse for protection
  • IMA cooling fan positive and negative wires for IMA fan controller board power
  • Integrated IMA cooling fan custom controller board
  • Posi-tap connections for easy IMA fan controller installation
  • Allows charging and discharging

That's it.  Simple.  Printed color instructions are included.  This product does not guarantee a repaired or improved battery.  If you're battery is already toast, it may not help, most often it does though.

Have more than one Hybrid and need more vehicle harnesses?
Purchase them here:


Backed by a 180 day warranty.