"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." You know the signs: The lights flicker, your humidifier stops humming, and some piece of tech—there’s ...

Portable power stations and uninterruptible power supplies (UPS) both provide power in an emergency. Do I really need both?

The PFC Sinewave CP1000PFCLCD packs in the right high-end features for PC and Mac power supplies without scrimping on design, compactness, or outlets. The CyberPower PFC Sinewave CP1000PFCLCD has many ...

We’ve all been there before. The power surges or cuts, even if for a second, and everything shuts off. The problem is you were in the middle of a big project and you have no idea when your work was ...

The AmazonBasics 8-outlet uninterruptible power supply (UPS) supports up to a rated 360 watts of attached equipment, which it can provide with enough battery power to run a modest computer system with ...

But to ensure your computer, external hard drive/file server/media center, cable box/DTR, router, answering machine and other devices not only are protected but also don’t stop, you need an ...

Q: I need an uninterruptible power supply (UPS) for my computer. A power outage wiped out my brothers' entire hard drive. What size UPS and what features do I need? Will a big one use more electricity ...

This post was done in partnership with Wirecutter. When readers choose to buy Wirecutter's independently chosen editorial picks, Wirecutter and Engadget may earn affiliate commission. Read the full ...

New uninterruptible power supplies (UPS) are often based on lithium-ion (Li+) battery technology that is becoming widespread in everything from cars to computers. This often comes with a claim of ...

My trusty APC XS 1300 has gone weird on me. I accidentally turned off the switch to the power supply. First thing that wasn't right, it didn't kick into backup power mode. I cycled off/on, but the ...

You know the signs: The lights flicker, your humidifier stops humming, and some piece of tech—there’s always one—makes a mournfully long beep from another room to let you know that it’s losing ...