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Online UPS Battery Backups

All UPS Battery Backups

32 online UPS battery backups from Vertiv, Eaton, APC and more. Most cost $1,396 to $16,284, and half cost less than $9,832.

Top brands: APC (6)CyberPower (6)Eaton (6)Vertiv (5)Tripp Lite (4)

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
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, 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.
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
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
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 7.8

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
Tripp LiteSpec score 7.7

8000 VA, 7200 Watts, rack, Online

+8000VA capacity with 7200W output
+Online topology provides continuous power conditioning
+Rackmount design fits standard server racks
−Rackmount form requires a rack for installation
$5,829.99
as of 11/04/2026 03:09 PST - Details
EatonSpec score 7.6

6000 VA, rack, Online

+6000 VA capacity for larger rack loads
+3U rack or tower form factor
+Online double-conversion topology for continuous power conditioning
−Requires a 3U rack space or floor space
$10,290.00
as of 11/04/2026 05:09 PST - Details
GenericSpec score 8.9

10000 VA, Online

+10KVA/10KW capacity for heavy loads
+Lithium-ion battery technology
+Pure sine wave output for sensitive equipment
−Requires 208/240V power input
No price recorded yet.
GenericSpec score 8.4

5000 VA, tower, Online

+Scalable from 5KW to 20KW for growing loads
+N+1 redundancy for added backup protection
+Pure sine wave output for sensitive equipment
−Requires 208/240V power input
No price recorded yet.
APCSpec score 8.1

10000 VA, rack, Online

+10kVA capacity for heavy rack loads
+Online topology for continuous power conditioning
+Network connectivity for remote management
−10U height takes significant rack space
−Requires 208V supply
No current price. Check it at the store.
APCSpec score 8.0

8000 VA, rack, Online

+8kVA capacity for heavy rack loads
+Online topology for continuous power conditioning
+Network card and SmartSlot for remote management
−Requires 208V supply
−Larger footprint than small rack units
No price recorded yet.
GenericSpec score 8.2

10000 VA, 9000 Watts, Online

+10000VA capacity with 9000W output
+True sine wave output
+Rackmount or tower form factor
$7,750.00
as of 11/04/2026 05:09 PST - Details
VertivSpec score 8.2

10000 VA, 10000 Watts, rack, Online

+Lithium-ion battery for a longer service life
+Convertible 3U rack or tower design
+Online double-conversion topology
$9,499.99
as of 11/04/2026 05:09 PST - Details
GenericSpec score 8.1

10000 VA, rack, Online

+9 kW output capacity
+Online double conversion topology
+Rackmountable with network connectivity
$11,754.00
as of 11/04/2026 05:09 PST - Details
VertivSpec score 8.1

8000 VA, 8000 Watts, Online

+Lithium-ion battery for a longer service life
+Rack and tower mountable
+Online double-conversion topology
$10,165.00
as of 11/04/2026 05:09 PST - Details
VertivSpec score 8.1

8000 VA, 8000 Watts, rack, Online

+Lithium-ion battery for a longer service life
+Convertible 3U rack or tower design
+Online double-conversion topology
$9,062.95
as of 11/04/2026 05:09 PST - Details
EatonSpec score 7.9

4000 VA, 3600 Watts, Online

+Network management support included
+Online design for continuous power conditioning
+Tower or rack mountable
$16,284.79
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 or tower mountable in a 4U form
$13,690.80
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
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
20001800Online7.8No current price
15001050rackOnline7.8$741.24
as of 11/04/2026 11:08 PST - Details
rackOnline8.8$10,375.89
as of 11/04/2026 11:08 PST - Details
60006000rackOnline8.6$8,923.63
as of 11/04/2026 05:09 PST - Details
50005000rackOnline8.5$7,403.95
as of 11/04/2026 11:08 PST - Details
100009000rackOnline8.4$8,999.99
as of 11/04/2026 03:09 PST - Details

Before you buy

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