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Pure Sine Wave UPS Battery Backups

All UPS Battery Backups

3 pure sine wave UPS battery backups from APC, CyberPower, Goldenmate and more. Prices run $649 to $1,845.

All filtersFilters (2)×
Watts: 1800  ×Pure sine wave: Pure sine wave  ×Clear all
BrandAPC1Eaton1Oupes1
VA2000218001
Watts100015900126006270051350480041500318003
Show all 28900031002110021200219802400241002500021050114401154011650125513001300014801600016200181019901
Formrack1
Pure sine wavePure sine wave3
DesignOnline2Line interactive1
Outlets81
Rack mountableRack mountable2
PriceUnder $7001$300 & above2$800 & above1$1,500 & above1
Clear allShow 3 UPS Battery Backups
Watts: 1800  ×Pure sine wave: Pure sine wave  ×3 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
EatonSpec score 7.9

2000 VA, 1800 Watts, Online

+Pure sine wave output for sensitive electronics
+Online double-conversion design for continuous power conditioning
+Rack or tower mountable in a 2U form
No current price. Check it at the store.
OupesSpec score 8.2

1800 VA, 1800 Watts, Online, 8 Outlets

+Pure sine wave output
+Online topology with 0ms transfer
+LiFePO4 lithium battery
$649.00-32%List: $949.00
as of 11/04/2026 05:06 PST - Details
APCSpec score 8.1

2000 VA, 1800 Watts, rack, Line interactive

+Pure sine wave output for sensitive electronics
+Includes network management for remote monitoring
+Delivers up to 1800 watts of output
$1,845.95
as of 11/04/2026 09:11 PST - Details

Compare specs

UPS battery backupVAWattsFormDesignOutletsSpec scorePrice
20001800Online7.9No current price
18001800Online88.2$649.00
as of 11/04/2026 05:06 PST - Details
20001800rackLine interactive8.1$1,845.95
as of 11/04/2026 09:11 PST - Details

Before you buy

Other features

RAID and HBA Cards868KVM Switches623NAS Devices533PDUs683Server Racks640Room Cooling and Sensors902Servers229Binoculars228Network Cables1,382Cameras2,556PC Cases264Chromebooks196

Popular filters

UPS Battery Backups under $100195UPS Battery Backups under $75186UPS Battery Backups under $50164Rack-Mountable UPS Battery Backups94Online UPS Battery Backups831500 VA UPS Battery Backups74Rack-Mount UPS Battery Backups72UPS Battery Backups under $2561

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.