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CyberPower UPS Battery Backups under $300

All UPS Battery Backups

2 CyberPower UPS battery backups under $300. Prices run $220 to $269.

CyberPowerSpec score 8.6

500 VA, 300 Watts, rack, 6 Outlets

+Pure sine wave output for sensitive electronics
+1U rackmount form factor fits standard server racks
+Compact 500VA capacity for small loads
−Only 300W output limits it to light loads
$269.95
as of 11/04/2026 05:09 PST - Details
CyberPowerSpec score 7.6

500 VA, 300 Watts, rack, 6 Outlets

−Shutdown software not listed: 6 of the 7 here list one
$219.95-8%List: $239.95
as of 11/04/2026 11:07 PST - Details

Compare specs

UPS battery backupVAWattsFormOutletsSpec scorePrice
500300rack68.6$269.95
as of 11/04/2026 05:09 PST - Details
500300rack67.6$219.95
as of 11/04/2026 11:07 PST - Details

Before you buy

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