5 best backup batteries for PC you can rely on

Madalina Dinita
by Madalina Dinita
Former Managing Editor
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Power interruptions are extremely dangerous for your computer. They can cause various hardware problems that, in the worst-case scenario, could force you to replace the damaged equipment.

The best manner to protect your computer against power fluctuations and blackouts is to use a backup battery.

Depending on the size of the backup battery, they can power your computer for a few minutes to a few hours. Backup batteries also help you stay relaxed when there’s a storm outside that could interrupt power and delete your unsaved work.

H2: What are the best backup batteries for computer?

AmazonBasics Standby UPS

  • Comes with 6 outlets in total
  • Compact size
  • 1-year warranty
  • It turns off once the battery power runs off and needs to be open manually

AmazonBasics Standby UPS 400VA provides guaranteed power for desktop computers during blackouts, and can also protect your equipment against power fluctuations, such as spikes caused by storms, lightning, circuit overloads, power cycling, etc.

The device comes with a 1-year warranty, including the battery, and a $75,000 equipment protection policy.

The battery offers 6 total outlets – 3 battery backup, 3 surge-protected outlets. This means that you can plug other valuable electronic devices, such as wireless networking devices, gaming consoles, security systems, and more.

Tripp Lite 600VA PC Battery Backup

  • It comes equipped with 8 outlets
  • Provides reliable battery backup
  • Offers free PowerAlert software
  • The backup supply could be better

This PC backup battery prevents computer damage, data loss, and performance issues due to power problems. It comes equipped with 8 outlets (4 UPS-supported, 4 surges only) and single-line tel/DSL surge protection.

The device provides reliable battery backup that can keep a basic desktop PC operational for up to 17 minutes during blackouts.

Tripp Lite 600VA also offers free PowerAlert software that notifies you about unattended computer shutdown and file saves. The device comes with a 3-year warranty and $100,000 connected equipment insurance.

BE850M2 backup battery

  • Can power your computer for almost an hour
  • Conveniently located USB ports
  • Small, does not occupy much space
  • The battery backup could be of better quality

If you need a powerful backup battery, then the BE850M2 is the right choice for you. Thanks to its 850VA capacity, it can power your computer for almost an hour and your wireless networking equipment for 2 to 6 hours after safely shutting down your PC.

Also, the conveniently located USB ports allow you to charge your mobile devices during power outages. Thanks to its 5.47 x 12.87 x 4.13-inch dimensions, this device doesn’t take too much space on your desk.

Additionally, BE850M2 protects your devices against power surge and lightning. When the power goes out, the APC BE850M2 will continue to power critical devices allowing you to maintain your internet connection and safely shut down equipment.

CyberPower EC850LCD Ecologic

  • Comes with a total of 12 outlets
  • Help reduce power usage and energy costs
  • A 3-year limited warranty
  • Customer service could be improved

With the CyberPower EC850LCD battery backup, your computer is safe from blackouts, brownouts, surges, spikes, sags, and other power abnormalities. With a total of 12 outlets, 6 battery backup, and surge-protected outlets, 6 surge-protected outlets out of which 3 are ECO controlled, EC850LCD allows you to connect and protect all your important devices.

When the battery backup detects that the computer is off or in sleep mode, the peripherals connected to the ECO Mode and surge-protected outlets will be automatically turned off. In this manner, power usage and energy costs are reduced.

EC850LCD is perfect for home and small office computers. A 3-year limited warranty and $100,000 connected equipment guarantee are offered upon purchasing this battery backup.

CyberPower CP750LCD

  • Interactive LCD display
  • Offers 8 output connections
  • 3-year warranty and $150,000 connected equipment guarantee
  • Requires 12V-7Ah battery which is a bit difficult to find

If you’re looking for a PC battery backup that offers detailed information about the remaining battery, you can safely purchase CyberPower CP750LCD. Its interactive LCD display provides runtime in minutes, battery status, load level, and other status information.

The device offers 8 output connections: 4 battery backup and surge-protected outlets, and 4 surge-protected outlets. Its compact design allows for horizontal or vertical placement.

This battery backup comes with a 3-year warranty and a $150,000 connected equipment guarantee. The PowerPanel Personal Edition software is available for free download and features a user-friendly dashboard interface for controlling and monitoring your backup battery system.

This software includes advanced functionality, such as runtime management, self-testing, event logging, and more.


FAQ: Learn more about backup batteries for PC

  • What is the best battery backup for computers?

In our comprehensive list of best backup batteries for PC, you will find a lot of great recommendations to choose from.

  • How long do computer backup batteries last?

They last up to three years, but in general, they also come with a 1-year guarantee, if anything would go wrong meanwhile.

  • How long should a laptop battery last?

It depends on the laptop and what you are using it for. Thankfully enough though, you can use a portable battery and avoid remaining out of power.

Editor's Note: This article was originally published in November 2016 and was revamped and updated in November 2020 for freshness, accuracy, and comprehensiveness.