For powering the Hudy H3100 tire truer and the Area 3 tire truer, as well as other uses, including precision motor break-in.  New M325H power supply, up to 12v output and up to 20 amps. It is a compact 4" wide x 5-1/2" deep (not including cord), and is 3" tall. It weights only 2lb 14 oz.

The latest version of Koford's regulated power supply with digital read out (LCD) and fan delivers up to 12v and 20 amps. High temperature transformer windings provide long-term durabililty. This is the only slot car power supply that regulates the output voltage as a motor breaks in and ensures that as the current decreases the output voltage remains constant. It is smaller in size with a higher current output than competing power supplies. The LCD digital meter reads either amperage or voltage.