Spec 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 - DetailsProduct details
CyberPower CP550SLG Standby UPS Battery Backup and Surge Protector | 550VA/330W, 8 Outlets, Compact, UL Certified
$77.95as of 11/04/2026 10:08 PST - Details
View on AmazonSpec score8.9
Pros
+Compact design suits small desks and travel setups
+Eight outlets for several connected devices
+Automatic shutdown support for safe power-down during outages
Cons−Standby topology rather than online double-conversion
−Only 330W output limits it to light loads
Compared with the 195 UPS Battery Backups on this page+Shutdown software: only 12 of 195 here have one
+8 outlets: only 1 of 7 here have more outlets
+330 watts: only 2 of 12 here have more watts
+550 va: 7 of the 12 here have a lower va
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