5 best backup batteries for PC [2020 Guide]

Madalina Dinita
by Madalina Dinita
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 of 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.

Best backup batteries for Windows PCs

APC Battery Backup BE350G

Battery Backup BE350G

This battery backup from Schneider Electric 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 three-year warranty and a $75,000 equipment protection policy.

When the power goes out, the APC backup battery keeps you connected and available both personally and professionally. The periodic battery self-test ensures early detection of a battery that needs to be replaced. The backup battery offers 6 total outlets – 3 battery backup, 3 surge-only outlets. This means that you can plug other valuable electronic devices, such as wireless networking devices, gaming consoles, security systems and more.

This backup battery comes in five models: BE350G, BE425M, BE550G, BE650G1 or BE750G.  You can purchase them from Amazon.

Tripp Lite 600VA PC Battery Backup

Tripp Lite 600VA Desktop Battery BackUp

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 surge 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

APC backup battery BE850M2

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 don’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.

If you’re interested in other portable batteries, check out our wide collection of guides.

CyberPower EC850LCD Ecologic

CyberPower EC850LCD battery backup

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

CyberPower CP750LCD battery backup

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 $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.


Editor’s Note: This post was originally published in November 2016 and has been since updated for freshness, and accuracy.