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900W UPS Battery Backups

All UPS Battery Backups

8 900W UPS battery backups from APC, CyberPower, Tripp Lite and more. Most cost $506 to $864, and half cost less than $588.

Top brands: CyberPower (4)

All filtersFilters (2)×
Watts: 900  ×Rack mountable: Rack mountable  ×Clear all
BrandCyberPower4APC2Tripp Lite2
VA1500710001
Watts9008
Formrack6
Pure sine wavePure sine wave2
Outlets8462
Rack mountableRack mountable8
PriceUnder $3001Under $6003Under $7002Under $9001$200 & above8$300 & above7$500 & above7$900 & above1
Clear allShow 8 UPS Battery Backups
Watts: 900  ×Rack mountable: Rack mountable  ×8 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
CyberPowerSpec score 8.5

1500 VA, 900 Watts, 8 Outlets

+1500VA capacity with 900W real power output
+Eight outlets for multiple connected devices
+Rackable in 2U rack or tower form
$545.95-13%List: $629.95
as of 11/04/2026 11:08 PST - Details
CyberPowerSpec score 8.5

1500 VA, 900 Watts, rack, 6 Outlets

+1500VA and 900W capacity for mid-size rack equipment
+6 outlets for multiple devices
+1U rackmount design saves rack space
−Only 6 outlets for many devices
$614.95
as of 11/04/2026 11:07 PST - Details
Tripp LiteSpec score 8.1

1500 VA, 900 Watts, rack, 8 Outlets

+Rackmount form fits standard server racks
+1500VA capacity with 900W real power
+Eight outlets for connected equipment
−Lower capacity than larger rack UPS units
$560.58
as of 11/04/2026 11:08 PST - Details
CyberPowerSpec score 8.9

1500 VA, 900 Watts, rack, 6 Outlets

+1500 va: the highest va of the 34 here
+900 watts: the most watts of the 34 here
−6 outlets: 19 of the 24 here have more outlets
$689.95
as of 11/04/2026 05:10 PST - Details
APCSpec score 8.5

1500 VA, 900 Watts, rack

+Provides 1500VA and 900W of backup capacity
+Pure sine wave output suits sensitive electronics
+Rack-mount and tower form allows flexible placement
−Not sold in Vermont
$864.00
as of 11/04/2026 05:06 PST - Details
APCSpec score 7.8

1000 VA, 900 Watts, rack

+Provides 1000VA and 900W of backup power
+Rack-mount 2U design fits standard equipment racks
+Rated for 120V operation with 6 outlets
$1,720.82
as of 11/04/2026 10:05 PST - Details
CyberPowerSpec score 8.1

1500 VA, 900 Watts, 8 Outlets

+1500VA and 900W capacity for larger desktop setups
+Rackable 2U design fits server racks
+Eight outlets for several connected devices
$505.95
as of 11/04/2026 11:07 PST - Details
Tripp LiteSpec score 8.1

1500 VA, 900 Watts, rack, 8 Outlets

+1500 va: the highest va of the 34 here
+900 watts: the most watts of the 34 here
−8 outlets: 12 of the 24 here have more outlets
$276.99
as of 11/04/2026 11:08 PST - Details

Compare specs

UPS battery backupVAWattsOutletsSpec scorePrice
150090088.5$545.95
as of 11/04/2026 11:08 PST - Details
150090068.5$614.95
as of 11/04/2026 11:07 PST - Details
150090088.1$560.58
as of 11/04/2026 11:08 PST - Details
150090068.9$689.95
as of 11/04/2026 05:10 PST - Details
15009008.5$864.00
as of 11/04/2026 05:06 PST - Details
10009007.8$1,720.82
as of 11/04/2026 10:05 PST - Details
150090088.1$505.95
as of 11/04/2026 11:07 PST - Details
150090088.1$276.99
as of 11/04/2026 11:08 PST - Details

Before you buy

Other Watts options

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Popular filters

UPS Battery Backups under $100195UPS Battery Backups under $75186UPS Battery Backups under $50164Rack-Mountable UPS Battery Backups94Pure Sine Wave UPS Battery Backups92Online UPS Battery Backups831500 VA UPS Battery Backups74Rack-Mount UPS Battery Backups72

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