How to build your own UPS

Whether your end improvement is a functioning office, or a longer game of Unreal, uninterruptible power supplies are an essential part of keeping your kit up and running. In case you were wondering what goes on inside the little -- or, as the case may be, big -- boxes that sit next to power outlets, icrontic has a how-to for constructing your own UPS. If you're not up to the task of constructing your own, then there's also advice about which type of off-the-shelf UPS is for you. Now all you've got to worry about are other, human based, interruptions.