Spec score 7.9
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 score7.9
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 1 UPS Battery Backups on this page+8 outlets: the most outlets of the 38 here
−550 va: 35 of the 37 here have a higher va
−330 watts: 34 of the 37 here have more watts
−Standby: 8 of the 9 here have a higher design
How pros and cons are picked (About: Disclaimer)About this product
