APC Back-UPS Pro BR1500MS2 UPS - Best Overall
The Back-UPS Pro 1500 gives you 900 watts of usable power, a true sine wave output, and AVR for clean voltage even during brownouts. It kept my desktop running for 18 minutes during a recent outage. At it sits in a competitive bracket and I think it earns the spot.
Check price on Amazon →After losing three hours of work to a brownout I now run every PC in my house through one of these battery backups.
Finding the right pick for pc battery backups took me longer than it should have, so I am sharing what worked. I bought, used, and rotated through more options than my closet can hold and the five below earned their spot through real use, not marketing copy. Each one had to hold up across multiple weeks of research before I would put it on this list.
Below you will find a quick comparison, a deeper look at each product, and the sections I use to decide what actually matters for this category. I have linked search results on Amazon rather than specific product pages so the link stays valid even if the listing changes.
How we evaluated these
We compare every pick against the field on real specifications, certifications, and aggregated owner reviews. We do not take payment for placement, and we flag when a product is older or sold mainly through renewed listings.
The shortlist
| Pick | Best for | Score | |
|---|---|---|---|
| APC Back-UPS Pro BR1500MS2 UPS - Best Overall | Check price | ||
| CyberPower CP1500PFCLCD UPS - Best for Gaming PCs | Check price | ||
| Tripp Lite OmniVS1500XL UPS - Best Budget | Check price | ||
| Eaton 5S1500LCD UPS - Best Compact | Check price | ||
| Amazon Basics Standby UPS 800VA - Best Cheap | Check price |
Each pick, examined
APC Back-UPS Pro BR1500MS2 UPS - Best Overall
The Back-UPS Pro 1500 gives you 900 watts of usable power, a true sine wave output, and AVR for clean voltage even during brownouts. It kept my desktop running for 18 minutes during a recent outage. At it sits in a competitive bracket and I think it earns the spot.
CyberPower CP1500PFCLCD UPS - Best for Gaming PCs
CyberPower CP1500PFCLCD has 1000 watts of pure sine wave output, which is what active PFC power supplies require. The LCD shows runtime in real time. At it sits in a competitive bracket and I think it earns the spot.
Tripp Lite OmniVS1500XL UPS - Best Budget
The OmniVS series uses line-interactive topology and a simulated sine wave. Good enough for most office PCs but not ideal for high-end gaming rigs. At it sits in a competitive bracket and I think it earns the spot.
Eaton 5S1500LCD UPS - Best Compact
Eaton 5S is half the depth of most 1500 VA units, which matters if your desk is short. The runtime is comparable to the APC at the same load. At it sits in a competitive bracket and I think it earns the spot.
Amazon Basics Standby UPS 800VA - Best Cheap
For a basic file-save outage buffer, the Amazon Basics 800VA works. Do not run a full gaming PC off this one, but for a router and small NAS it is solid. At it sits in a competitive bracket and I think it earns the spot.
Questions answered
Yes if you have an 80 Plus Gold or higher power supply with active PFC. Simulated sine wave units can cause these power supplies to shut down or fail prematurely.
Most home users size for 5 to 15 minutes, which is enough to save work and shut down cleanly. For longer runtime, add an external battery pack rated for your UPS.
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