This is a dramatically improved prototype of a 144v维amp DC motor controller for an electric car. It is open source, and will soon be available in the form of a kit. It is in the beta testing phase right now. This initial test was done at 72v.

The red GOLF was was converted to then-state-of-the-art spiral wound Optima batteries by ACPropulsion. Conversion was a team effort, with Paul Carosa doing much of the design and construction. Alan Cocconi was the chief designer of the the Gen I drive system and Battery Optimizer modules. Dave Sivertsen did the battery optimizer controller. This is probably the most sophisticated lead-acid [...]

Electric Car Book