All the info about the chargers is here:
http://99mpg.com/Projectcars/gridcharger/
Schematic of DIY version:
http://99mpg.com/Data/resources/down...dchargerv1.pdf
Accessory discharger to make the system into a smarT cycler
http://99mpg.com/Projectcars/packdischarger/
New software will allow automatic cycling to the first cell dropout, which will get lower on each cycle.
Dataloging and PC based dataloging software is in development, but any HYPerterminal equipped PC can log the RS232 serial daloger output.
The serial now adds full bidirectional PC control of charger.
Can be used on any battery from 6V to 240V, all parameters are adjustable and saved in non volitile memory, and 6 car/car/battery profiles can be stored in the unit.