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900W UPS Battery Backups

All UPS Battery Backups

34 900W UPS battery backups from APC, CyberPower, Tripp Lite and more. Most cost $190 to $908, and half cost less than $316.

Top brands: APC (11)CyberPower (9)Tripp Lite (6)

All filtersFilters (1)×
Watts: 900  ×Clear all
BrandAPC11CyberPower9Tripp Lite6Ske Smart Key Energy3Eaton1Hehslzz1Lvsedtal1Opti UPS1
VA15003110003
Watts90034
Formtower9rack7
Pure sine wavePure sine wave12
DesignLine interactive5Online1
Outlets10887124632151
Rack mountableRack mountable8
PriceUnder $1502Under $2008Under $2508Under $3008Under $4003Under $5002Under $6005Under $7003
Show all 14Under $9001Under $1,0001$200 & above26$300 & above18$500 & above13$900 & above4
Clear allShow 34 UPS Battery Backups
Watts: 900  ×34 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
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
HehslzzSpec score 8.0

1500 VA, 900 Watts

+Built-in surge protection for connected equipment
+Intelligent battery backup with automatic power management
$149.99
as of 11/04/2026 05:10 PST - Details
Ske Smart Key EnergySpec score 7.9

1500 VA, 900 Watts, 2 Outlets

+Includes 2 UPS outlets for connected equipment
+Includes surge protection alongside battery backup
$109.99
as of 11/04/2026 05:06 PST - Details
Tripp LiteSpec score 8.5

1500 VA, 900 Watts, tower, 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
$208.34
as of 11/04/2026 11:08 PST - Details
Opti UPSSpec score 8.5

1500 VA, 900 Watts, Line interactive

+1500 va: the highest va of the 34 here
+900 watts: the most watts of the 34 here
$189.99
as of 11/04/2026 11:08 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
10009007.8$1,720.82
as of 11/04/2026 10:05 PST - Details
15009008.0$149.99
as of 11/04/2026 05:10 PST - Details
150090027.9$109.99
as of 11/04/2026 05:06 PST - Details
150090088.5$208.34
as of 11/04/2026 11:08 PST - Details
15009008.5$189.99
as of 11/04/2026 11:08 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.