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Tower UPS Battery Backups

All UPS Battery Backups

5 tower UPS battery backups from CyberPower, Vertiv, APC and more. Most cost $21,963 to $24,500, and half cost less than $23,549.

VertivSpec score 8.0

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 8.0

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
VertivSpec score 8.0

20000 VA, tower, Online

+20kVA capacity for medium-sized three-phase loads
+Online topology for continuous conditioned power
+Includes Vertiv RDU120 card
−Tower form factor needs dedicated floor space
$24,300.53
as of 11/04/2026 05:09 PST - Details
VertivSpec score 8.0

20000 VA, tower, Online

+20kVA capacity for medium-sized three-phase loads
+Online topology for continuous conditioned power
+Includes Vertiv RDU120 card
−Tower form factor needs dedicated floor space
$24,500.55
as of 11/04/2026 05:09 PST - Details
VertivSpec score 8.0

20000 VA, tower, Online

+Online double conversion topology for continuous power protection
+20 kVA capacity suits larger three-phase equipment loads
+Tower form factor stands alone without a rack
−Three-phase 208/120VAC wiring needs a qualified installer
$23,548.62
as of 11/04/2026 05:09 PST - Details

Compare specs

UPS battery backupVAWattsFormDesignSpec scorePrice
20000towerOnline8.0$23,000.55
as of 11/04/2026 05:09 PST - Details
20000towerOnline8.0$21,963.41
as of 11/04/2026 05:09 PST - Details
20000towerOnline8.0$24,300.53
as of 11/04/2026 05:09 PST - Details
20000towerOnline8.0$24,500.55
as of 11/04/2026 05:09 PST - Details
20000towerOnline8.0$23,548.62
as of 11/04/2026 05:09 PST - Details

Before you buy

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