Spec score 8.1
1800 VA, 1800 Watts, Online, 8 Outlets
+Pure sine wave output
+Online topology with 0ms transfer
+LiFePO4 lithium battery
$649.00-32%List: $949.00
as of 11/04/2026 05:06 PST - DetailsProduct details
OUPES 1800VA/1800W 0ms Online LiFePO4 UPS Battery Backup & Surge Protector | 552Wh LiFePO4 battery lasts 10 years.
$649.00as of 11/04/2026 05:06 PST - Details
View on AmazonSpec score8.1
Pros
+Pure sine wave output
+Online topology with 0ms transfer
+LiFePO4 lithium battery
+Eight outlets for connected equipment
+552Wh battery capacity
Compared with the 1 UPS Battery Backups on this page+Online: the highest design of the 140 here
+Lithium battery: only 27 of 509 here have one
+Pure sine wave: only 90 of 509 here have one
+1800 watts: 139 of the 197 here have fewer watts
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