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Online UPS Battery Backups

All UPS Battery Backups

3 online UPS battery backups from Vertiv, Eaton, APC and more. Prices run $649 to $2,042.

All filtersFilters (2)×
Watts: 1800  ×Design: Online  ×Clear all
BrandEaton2Oupes1
VA2000218001
Watts800055000490004180035400310000211000213502
Show all 2227002410026200210501120011440115001220013600148001600017200180019001
Formtower1
Pure sine wavePure sine wave2
DesignOnline3
Outlets81
Rack mountableRack mountable1
PriceUnder $7001
Clear allShow 3 UPS Battery Backups
Watts: 1800  ×Design: Online  ×3 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
EatonSpec score 7.8

2000 VA, 1800 Watts, tower, Online

+Online double-conversion topology for continuous clean power
+Cybersecure network card for remote monitoring
+Tower form factor for placement on a desk or floor
$2,042.99
as of 11/04/2026 10:05 PST - Details
EatonSpec score 7.8

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 8.1

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

Compare specs

UPS battery backupVAWattsFormDesignSpec scorePrice
20001800towerOnline7.8$2,042.99
as of 11/04/2026 10:05 PST - Details
20001800Online7.8No current price
18001800Online8.1$649.00
as of 11/04/2026 05:06 PST - Details

Before you buy

Other Design options

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 Backups94Pure Sine Wave UPS Battery Backups921500 VA UPS Battery Backups74Rack-Mount UPS Battery Backups72UPS Battery Backups under $2561

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