We have 7 of these in our office. Approximately 2 years and the battery may no longer withstand the load in the event of a power failure. Depends of course on the power of the PC power supply. In general, these UPSs are satisfied, but the case is still flimsy. With its pros. Compact size. Ease of connection. Sufficiently reliable when properly connected equipment. Some cons: The body is fragile. The transformer inside heats up and after 2-3 years the plastic simply crumbles at the points of attachment with screws. Also, in the event of an impact, the plastic breaks off easily.
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