Systm #93: UPS + Car Battery = More Computing (Or a 48 Hour Disco Ball?!?)
UPS Hack! Take the tiny battery out of your Uninteruptible Power Supply and replace it with a car battery: you get to run your UPS for a lot longer, and potentially melt your face! Uninterruptible power supplies are a great for maintaining power to a PC during a black out or brown out. Unfortunately most UPS's pack tiny batteries that last just a few minutes before they drain. That's great for ...