Originally posted by AMGRacer
Most computer power supplies will work if you do this, but some of them need to be tinkered with for various reasons. I have had one working, it could not put out much more than 10 amps with all of the 12v leads working together. It is a good tinkering project.
Most should work fine depending on the amps your charging your pack. I tried using one before and I can pull atleast 5amp on a 250 watts power supply. Goodluck and be careful