Lithium UPS units cost more up front but their batteries are rated for thousands of cycles and years of service, where lead-acid batteries are typically replaced every few years. Their battery energy is small compared with the power ratings, so runtime at full load is still measured in minutes.
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Best Lithium UPS Battery Backups: Desktop (under 1,000 VA)
- Vertiv Liebert PowerUPS 100 PUL-350LVT#1 of 2Full review
A small lithium standby UPS for hot closets and network gear, with a 5-year warranty.
Amazon $139.99$139.99350 VA / 210 WStandby- - Goldenmate 600VA Lithium UPS#2 of 2Full review
A compact lithium standby UPS for a router, NAS and desk electronics.
Amazon $159.99$159.99600 VA / 360 WStandby, Simulated sine-
Best Lithium UPS Battery Backups: Tower (1,000 to 2,000 VA)
- Goldenmate 2000VA/1600W Lithium UPS#1 of 4Full review
The highest-output tower UPS here, with a lithium battery, for a workstation or home server.
Amazon $683.99$683.992,000 VA / 1,600 WLine-interactive, Sine wave- - Goldenmate 1500VA/1200W Lithium UPS#2 of 4Full review
A 1,200 W lithium UPS for a high-end PC or workstation.
Amazon $499.99$499.991,500 VA / 1,200 WLine-interactive, Sine wave- - Goldenmate 1500VA/1000W Lithium UPS#3 of 4Full review
A 1,000 W lithium UPS for a gaming PC where long battery life matters.
Amazon $399.99$399.991,500 VA / 1,000 WLine-interactive, Sine wave- - Goldenmate 1000VA Lithium UPS#4 of 4Full review
A sine wave lithium UPS with 800 W for a PC and monitor.
Amazon $209.99$209.991,000 VA / 800 WSine wave-
Best Lithium UPS Battery Backups: Rackmount and online
- APC Smart-UPS SCL500RM1UC#1 of 1Full review
A 1U lithium UPS for a network rack where height and battery life matter more than output.
Amazon $470.99$470.99500 VA / 400 WSine wave-