Spec score 7.8
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 score7.8
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 1 UPS Battery Backups on this page−550 va: 28 of the 30 here have a higher va
−330 watts: 28 of the 30 here have more watts
−Standby: 6 of the 8 here have a higher design
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