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UPS Battery Backups under $100

All UPS Battery Backups

2 UPS battery backups under $100 from Alomejor, CyberPower, Domary and more. Prices run $78 to $83.

CyberPowerSpec score 8.9

550 VA, 330 Watts, Standby, 8 Outlets

+Compact design suits small desks and travel setups
+Eight outlets for several connected devices
+Automatic shutdown support for safe power-down during outages
−Standby topology rather than online double-conversion
−Only 330W output limits it to light loads
$77.95
as of 11/04/2026 10:08 PST - Details
APCSpec score 9.0

600 VA, 330 Watts

+Includes surge protection alongside battery backup
+Shutdown feature for safe computer shutdown during outages
+Suited to NAS and router equipment
$83.99
as of 11/04/2026 10:08 PST - Details

Compare specs

UPS battery backupSpec scorePrice
8.9$77.95
as of 11/04/2026 10:08 PST - Details
9.0$83.99
as of 11/04/2026 10:08 PST - Details

Before you buy

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