HardwareOC has posted a How-To guide on building a battery powered backup.

What am I talking about? Well, chances are that no matter how involved with computers you are... you´ve heard of a UPS. And un-interuptable power source that powers your computer for a small amount of time in order to let you save documents and such in case of a power outage.

Well if you´re like me, you´re probably wondering why in the world you
should pay upwards of two hundred dollars just for twenty minutes of power? Well, what if I could tell you how to get allot better results for just about the same amount of money or less? Personally, I´d be happy... but wait, it gets better.

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