Pro Scoota Uni External A external battery contactor can be easily added to the 4QD series. Fuse A fuse in the battery line can give protection which is adequate for most purposes, although fuses are so variable that this method cannot be absolutely guaranteed.
Details are in the manual supplied or see our FAQ sheet.
Fitting all the bits for reverse polarity protection internally into a controller can add significantly to the cost of the controller. Last updated 18th July, 2001. Page design by Richard Torrens.