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Online UPS Battery Backups

All UPS Battery Backups

83 online UPS battery backups from Vertiv, Eaton, APC and more. Most cost $1,549 to $23,548, and half cost less than $10,165.

Top brands: Vertiv (17)Eaton (14)APC (8)CyberPower (6)Tripp Lite (5)

CyberPowerSpec score 8.1

3000 VA, 2700 Watts, Online, 7 Outlets

+3000VA and 2700W capacity for larger server loads
+Online topology for continuous power conditioning
+Pure sine wave output for sensitive equipment
−Only 7 outlets for many devices
$2,495.95
as of 11/04/2026 11:08 PST - Details
Tripp LiteSpec score 8.1

1000 VA, 900 Watts, rack, Online

+Online double-conversion topology for continuous power
+Pure sine wave output
+Network management support included
−Only 1000VA capacity
$908.70
as of 11/04/2026 11:08 PST - Details
CyberPowerSpec score 7.8

1500 VA, 1200 Watts, rack, Online

+Online double conversion topology for continuous power conditioning
+Pure sine wave output for sensitive equipment
+1500VA and 1200W capacity for mid-size equipment
−Rackmount-only form limits use outside racks
$1,179.95
as of 11/04/2026 11:08 PST - Details
APCSpec score 8.4

5000 VA, Online

+5000 VA capacity for heavier equipment loads
+Lithium-ion battery chemistry
+Online topology for continuous power conditioning
$8,211.33
as of 11/04/2026 05:09 PST - Details
CyberPowerSpec score 7.8

1500 VA, 1350 Watts, Online, 8 Outlets

+Online topology for continuous power conditioning
+1500VA and 1350W capacity for mid-size equipment
+8 outlets for multiple devices
$1,395.95
as of 11/04/2026 11:08 PST - Details
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
APCSpec score 8.2

1500 VA, 1350 Watts, Online

+1350W capacity for larger loads than standard desktop units
+Online topology provides continuous conditioned power
+Network management support for remote monitoring
$1,548.80-10%List: $1,726.99
as of 11/04/2026 05:06 PST - Details
Tripp LiteSpec score 7.8

1500 VA, 1050 Watts, rack, Online

+1U rack mount design saves rack space
+Lithium battery technology
+6 outlets for connected equipment
−1050 W capacity limits larger equipment
$741.24-6%Was: $786.52
as of 11/04/2026 11:08 PST - Details
CyberPowerSpec score 8.8

rack, Online, 6 Outlets

+10,000VA and 10,000W capacity for heavy server loads
+Online double conversion topology for continuous power conditioning
+Pure sine wave output for sensitive equipment
−Only 6 outlets for many devices
$10,375.89
as of 11/04/2026 11:08 PST - Details
CyberPowerSpec score 8.6

6000 VA, 6000 Watts, rack, Online

+6000VA and 6000W capacity for very heavy rack loads
+Online double conversion topology for continuous power conditioning
+Pure sine wave output for sensitive equipment
−Only 4 outlets for connected devices
$8,923.63
as of 11/04/2026 05:09 PST - Details
CyberPowerSpec score 8.5

5000 VA, 5000 Watts, rack, Online

+5000VA and 5000W capacity for heavy rack loads
+Online double conversion topology for continuous power conditioning
+Pure sine wave output for sensitive equipment
−Only 4 outlets for connected devices
$7,403.95
as of 11/04/2026 11:08 PST - Details
Tripp LiteSpec score 8.4

10000 VA, 9000 Watts, rack, Online

+10000VA capacity with 9000W output for heavy equipment loads
+Online topology provides continuous power conditioning
+Pure sine wave output
−10U height takes significant rack space
$8,999.99
as of 11/04/2026 03:09 PST - Details
APCSpec score 8.1

10000 VA, rack, Online

+10kVA capacity for heavy rack loads
+Online topology for continuous power conditioning
+Network card and SmartSlot for remote management
−10U height takes significant rack space
−Requires 208V supply
$15,330.00
as of 11/04/2026 05:09 PST - Details
EatonSpec score 8.1

12000 VA, Online

+12 kVA capacity for large loads
+Modular scalable design
+N+1 redundancy support
−Requires 208-240V supply, not standard household outlets
$22,569.38
as of 11/04/2026 05:09 PST - Details
EatonSpec score 8.1

12000 VA, rack, Online

+12 kVA capacity for large loads
+Modular scalable design
+N+1 redundancy support
−Requires 208-240V supply, not standard household outlets
$21,182.24
as of 11/04/2026 05:09 PST - Details
Tripp LiteSpec score 8.1

1500 VA, 1440 Watts, rack, Online

+Online double-conversion topology for continuous power conditioning
+Pure sine wave output for sensitive equipment
+1440W output for high-draw rack equipment
−Only eight outlets available
$867.06
as of 11/04/2026 11:07 PST - Details
EatonSpec score 8.0

6000 VA, 5400 Watts, Online

+Rated at 6000 VA and 5400 watts for heavy equipment
+Online double-conversion topology gives continuous conditioned power
+Lithium battery technology listed for the unit
−Requires a 208V L6-30P outlet rather than a standard household plug
$8,950.00
as of 11/04/2026 05:09 PST - Details
APCSpec score 8.0

rack, Online

+5kW capacity for large rack loads
+Scalable up to 20kW with added modules
+N+1 redundancy option for added protection
−9U height takes significant rack space
−Requires 208/240V supply
$22,913.50
as of 11/04/2026 05:08 PST - Details
APCSpec score 8.0

rack, Online

+5kW capacity for large rack loads
+Scalable up to 15kW with added modules
+N+1 redundancy option for added protection
−9U height takes significant rack space
−Requires 208/240V supply
$14,489.00
as of 11/04/2026 05:09 PST - Details
EatonSpec score 7.9

11000 VA, 11000 Watts, rack, Online

+11000 VA and 11000 W capacity for heavy loads
+Online double-conversion topology for continuous clean power
+Rack form factor for data center installation
−Hardwired input rather than plug-in connection
$8,500.00
as of 11/04/2026 05:09 PST - Details
GenericSpec score 7.9

10000 VA, 10000 Watts, tower, Online

+10kVA and 10kW capacity for large loads
+Online double-conversion topology for continuous power conditioning
+Tower form factor with hardwired input and output
−Hardwired connection requires professional installation
$8,654.90
as of 11/04/2026 05:09 PST - Details
EatonSpec score 7.8

8000 VA, 8000 Watts, rack, Online

+8000 VA and 8000 W capacity for heavy loads
+Online double-conversion topology for continuous power conditioning
+Hardwired input for permanent installation
−Requires a 208V supply, not standard household outlets
$8,396.25
as of 11/04/2026 05:09 PST - Details
EatonSpec score 7.8

8000 VA, 8000 Watts, rack, Online

+8000 VA and 8000 W capacity for heavy loads
+Rackable design fits standard server racks
+Online double-conversion topology for continuous power conditioning
−Takes 4U of rack space
$12,116.70
as of 11/04/2026 05:09 PST - Details
LvsedtalSpec score 7.8

10000 VA, 9000 Watts, Online

+10 kVA and 9000 watt capacity for heavy loads
+Online topology for continuous conditioned power output
+Voltage stabilization for steady output power
−Delayed runtime of 1 hour rather than immediate extended backup
$7,675.88
as of 11/04/2026 11:08 PST - Details
VertivSpec score 7.8

20000 VA, tower, Online

+20kVA capacity for medium-sized three-phase loads
+Online topology for continuous conditioned power
+Tower form factor for floor placement
−Tower form factor needs dedicated floor space
$23,000.55
as of 11/04/2026 05:09 PST - Details
VertivSpec score 7.8

20000 VA, tower, Online

+20kVA capacity for medium-sized three-phase loads
+Online topology for continuous conditioned power
+Includes Vertiv card
−Tower form factor needs dedicated floor space
$21,963.41
as of 11/04/2026 05:09 PST - Details

Compare specs

UPS battery backupVAWattsFormDesignSpec scorePrice
30002700Online8.1$2,495.95
as of 11/04/2026 11:08 PST - Details
1000900rackOnline8.1$908.70
as of 11/04/2026 11:08 PST - Details
15001200rackOnline7.8$1,179.95
as of 11/04/2026 11:08 PST - Details
5000Online8.4$8,211.33
as of 11/04/2026 05:09 PST - Details
15001350Online7.8$1,395.95
as of 11/04/2026 11:08 PST - Details
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
15001350Online8.2$1,548.80
as of 11/04/2026 05:06 PST - Details
15001050rackOnline7.8$741.24
as of 11/04/2026 11:08 PST - Details

Before you buy

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