The Best Uninterruptible Power Supply (UPS)

The Best Uninterruptible Power Supply (UPS)

Our pick

Tripp Lite AVR750U

Tripp Lite AVR750U

The best UPS for a home network

With six outlets on battery backup and 12 outlets total, this UPS can reliably keep your Wi-Fi network up for an hour in a blackout or keep your workstation running long enough for you to save your work and shut down. Plus, it’s affordable enough to pick up just in case.

Buying Options

$85* from Amazon
$90 from Newegg

*At the time of publishing, the price was $90.

The Tripp Lite AVR750U will cover the basics for most people during common, short-term blackouts. In our tests, it provided enough power to keep the average broadband modem and Wi-Fi router running for an hour, which means you can stay online while the power is off and get in touch with emergency services, follow news and weather changes, or just pass the time on your favorite websites. It requires no setup aside from plugging it in, and it includes automatic voltage regulation—an important feature that some cheaper models lack. Six of its 12 outlets are backed up by a battery, and its compact shape—about the size of a Merriam-Webster dictionary—and its 6-foot cord make it relatively easy to stow under a desk or nightstand.

Key specs:

  • Measured run time with a 20 W load: 1 hour
  • Measured run time with a 300 W load: 6 minutes
  • Measured peak power output: 670 watts
  • Number of battery-backed outlets: six
  • Warranty: three years

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Runner-up

CyberPower CP800AVR

CyberPower CP800AVR

If our main pick is unavailable

The CP800AVR has only eight outlets, and just half of those use battery backup, but in our tests the battery proved capable of keeping the average home Wi-Fi network up for an hour and a half in a blackout.

Buying Options

$90 from Amazon

The CyberPower CP800AVR is a lot like the Tripp Lite AVR750U, but it’s a little less powerful, and only four of its eight outlets are battery-protected in the event of a blackout. But we think those are decent trade-offs for the extra run time the CP800AVR provides—1.5 hours with a 20-watt load such as a modem and router, compared with just an hour on the AVR750U. Much like the Tripp Lite unit, this CyberPower model has a 6-foot cord and a stowable, compact design. If our top pick is unavailable or if you can get a good deal on the CP800AVR, you should go for it.

Key specs:

  • Measured run time with a 20 W load: 1.5 hours
  • Measured runtime with a 300 W load: 6 minutes
  • Measured peak power output: 535 watts
  • Number of battery-backed outlets: four
  • Warranty: three years

Upgrade pick

CyberPower CP1500PFCLCD

CyberPower CP1500PFCLCD

Powers larger setups for longer

This UPS has the highest peak power output and run time of any model we tested, so it can run more gear for longer than anything else. Plus, its higher-quality power is compatible with even the most sensitive electronics.

Buying Options

$210* from Amazon

*At the time of publishing, the price was $200.

The CyberPower CP1500PFCLCD is the most expensive UPS we recommend for most homes or small offices, but there’s a lot of value in the extra features it includes. If you need to provide power to more (or larger) devices at your workstation during an outage, it can deliver up to 930 W—we had trouble finding gear that would be in most home offices that would be powerful enough to overload it in our testing. Just as impressive, it can keep the average modem and router running for up to four hours, giving you more than enough time to save your work and wait for the blackout to end. Roughly the size and shape of a small PC tower, it has 10 outlets in total, five of which are backed up by the battery, and it adds two USB ports for charging small devices without the need for an extra power adapter. Because it has a pure sine-wave inverter, its power is as smooth as that of a standard wall outlet, making it safe and reliable for even the most sensitive equipment. Lastly, the CP1500PFCLCD’s backlit screen provides helpful information such as how much battery life is left and the total wattage of the devices plugged into the unit.

Key specs:

  • Measured run time with a 20 W load: 4 hours
  • Measured run time with a 300 W load: 16 minutes
  • Measured peak power output: 930 watts
  • Number of battery-backed outlets: five
  • Warranty: three years

Budget pick

AmazonBasics Standby UPS 800VA

AmazonBasics Standby UPS 800VA

A bare-bones UPS

This UPS lacks premium features, but it has plenty of outlets and power to keep a home Wi-Fi network up and running for up to an hour and a half when the power goes out.

Buying Options

$82* from Amazon

*At the time of publishing, the price was $50.

If you’re on a tight budget, the AmazonBasics Standby UPS 800VA is an affordable UPS with the battery and run time of a more expensive model: It can keep a typical router and modem running for up to 1.5 hours. Its maximum output is on the lower side (we measured up to 470 W in our testing), but that should be plenty powerful for the six battery-backed outlets to support basics such as home Wi-Fi. Unlike our other picks, this less expensive model uses standby power management instead of automatic voltage regulation (AVR). That should be fine in most cases, but it’s harder on the battery, and you shouldn’t use it for sensitive AV gear or medical equipment. Plus, Amazon offers only a one-year warranty on its UPS models, in contrast to the three-year warranties that brand-name companies have.

Key specs:

  • Measured run time with a 20 W load: 1.5 hours
  • Measured run time with a 300 W load: 6 minutes
  • Measured peak power output: 470 watts
  • Number of battery-backed outlets: six
  • Warranty: one year

Everything we recommend

Our pick

Tripp Lite AVR750U

Tripp Lite AVR750U

The best UPS for a home network

With six outlets on battery backup and 12 outlets total, this UPS can reliably keep your Wi-Fi network up for an hour in a blackout or keep your workstation running long enough for you to save your work and shut down. Plus, it’s affordable enough to pick up just in case.

Buying Options

$85* from Amazon
$90 from Newegg

*At the time of publishing, the price was $90.

Runner-up

CyberPower CP800AVR

CyberPower CP800AVR

If our main pick is unavailable

The CP800AVR has only eight outlets, and just half of those use battery backup, but in our tests the battery proved capable of keeping the average home Wi-Fi network up for an hour and a half in a blackout.

Buying Options

$90 from Amazon

Upgrade pick

CyberPower CP1500PFCLCD

CyberPower CP1500PFCLCD

Powers larger setups for longer

This UPS has the highest peak power output and run time of any model we tested, so it can run more gear for longer than anything else. Plus, its higher-quality power is compatible with even the most sensitive electronics.

Buying Options

$210* from Amazon

*At the time of publishing, the price was $200.

Budget pick

AmazonBasics Standby UPS 800VA

AmazonBasics Standby UPS 800VA

A bare-bones UPS

This UPS lacks premium features, but it has plenty of outlets and power to keep a home Wi-Fi network up and running for up to an hour and a half when the power goes out.

Buying Options

$82* from Amazon

*At the time of publishing, the price was $50.

Source: NY Times – Wirecutter

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