Should you buy a UPS battery backup for your PC or server?

Should I get a battery backup for my PC?

PC battery backups, or uninterruptable power supplies (UPS), can be a worthwhile addition to your desktop PC or NAS server. They generally sit near your computer and act as an intermediary for the power from a wall outlet. Think of how seamless the transition to battery power is on a laptop when the AC adapter is unplugged, and you get a good idea of how a UPS works.

Some backups have multiple outlets on them for multiple devices, some have LED screens to display voltage information, and others are barebones and budget-oriented. However, they all provide emergency backup power for your PC. To help decide whether a UPS is right for you, let's take a look at a few common reasons why you might want one.

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What does a UPS protect against?

Most UPS units worth the cost will provide you with three basic services: a surge protector, a battery backup, and a voltage regulator. The surge protector will handle the blast from something like a lightning strike that gets too close, the battery backup will give your PC enough time (five to 30 minutes depending on the UPS and your circumstances) to shut down the regular way, and the voltage regulator will even out any fluctuations in power, say from a brownout.

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