Power backup to run desktop computer

What makes a good UPS battery backup?

Even if you’re not prone to power outages, many UPS models also include surge protection features. An automatic voltage regulator smoothes over brownouts and spikes without needing to change your battery. It’s one of several capabilities you’ll want to look for in the best battery backups.

Why do I need a battery backup?

In order to protect your computer against power supply interruptions, you need a battery backup. UPS units are like power strips that contain a big battery inside, providing a buffer against power supply interruptions. This buffer can range from a few minutes to an hour or more depending on the size of the unit.

Do you need a battery backup?

One important part of your plan should be considering battery backups—also known as an uninterruptible power supply, or UPS—which will automatically take over when the power drops or goes out entirely. But no one solution’s perfect for everyone.

How much power do you need for a battery backup?

However, you’ll need to make sure that your supply has enough output power for the job. In general, the best battery backups can output at least 400W. UPS models include several different features, but you’ll want to focus on a couple, depending on what you want to back up.

Is a ups good for desktop PC usage?

If you’re looking for a computer battery backup, then you’re in luck; we’ve finally reached a UPS good enough for desktop PC usage. As you may or may not know, most actual PC power consumption is well under 400W, even with high-end components.

Does your PC know the difference between UPS battery power and wall power?

Essentially, your PC shouldn't know the difference between your UPS battery power and the power coming from the wall. Simulated sine-wave UPS delivers a stepped, approximated waveform using pulse-width modulation (PWM). That's the same concept used to control PC case fan RPM.