Free IT Tool
UPS Runtime Calculator
Estimate how long a UPS will keep servers, NAS or network gear running on battery - with a conservative real-world figure for safe sizing.
Load & battery
Tip: VA x power factor (~0.6-0.9) = Watts.
Estimated runtime
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Estimate only. Real runtime is lower due to battery age, temperature and the Peukert effect (batteries deliver less at high discharge). For accurate sizing on critical loads, ask us to spec it.
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