Bedini Cole  circuit  kit is designed for bedini window motor or Bedini SG motor.it’s base on energy from vacuum serious 21-23 。and it have updated at 05/2020，the new kit add the installation position of the diode，To replace the full-bridge rectifier module。The Bedini Cole  circuit can work in the range of 12V to 36V, just change the current limiting resistance of the regulator tube.