Interactive Tool

Mini UPS Sizing Calculator

Select your devices, set your runtime and battery parameters — get an instant, engineering-accurate battery recommendation.

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Step 1 — Add Your Devices

Device Type

Watts (W)

Qty

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No devices added yet.
Select a device above to begin.

Total Load Power 0 W

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Required Backup Runtime

How long the UPS must keep devices running during a power outage.

Battery Voltage

Nominal battery pack voltage. Most mini UPS systems use 12V.

Battery Chemistry

Safe, long-life (2000+ cycles), 80% DoD. Best for industrial and IoT mini UPS.

System Efficiency

Overall inverter and conversion efficiency. Higher quality UPS = higher efficiency.

Safety Buffer

Extra capacity to account for battery ageing over time and unexpected load spikes.

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Add at least one device above to see your sizing results.