UPS Sizing & Battery Runtime Calculator
Load power (kW) *
Load power factor
Required backup time (min)
Battery DC bus voltage (V)
Battery type
VRLA lead-acid (12 V block)
LiFePO₄ lithium (48 V module)
Inverter efficiency
Depth of discharge (0–1)
UPS loading factor
Calculate
Result
Enter parameters to see the result.
📋 View calculation details
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UPS sizing calculator
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