How to build a $20 47A power supply

[DrKnow65]

So I've been trolling eBay looking at supplies. Specifically ones that look to have good 12v amperage that I could use in series to get 24v, what I'm drawn to are the X0551 Dell server units (47.5a at 12v). Aside from the complexity of safely connecting them in series do you guys see any reason why these would not work?

Thanks to everyone in this thread I decided to start working on a power supply for myself only I'm going about it a bit differently. I have access to old used up copiers and thought since they are setup to run 24v I would give it a go to see how things worked out.

Here is a picture of the power supply that I am using. The question I have to all of you is there any way to figure out how many amps or what the wattage of this power supply actually is? If it isn't sufficient I'll most likely go the server PS route. Right now I have a nice stable 24.5 volts on this supply and will be mounting it in a custom aluminum box if I can find a way to figure out what amp's or wattage I am getting out of it.



Any ideas??