How to Calculate and Select the Right UPS Battery
2026-08-27
MHB UPS Battery Sizing Calculator
Calculate total load, battery quantity, configuration, cut-off voltage and discharge current.
INPUTS
System Parameters
Engineering Note:
The calculator follows the formulas provided in the ups battery sizing calculation sheet. Final battery selection should be verified against the battery manufacturer's discharge performance data.
The calculator follows the formulas provided in the ups battery sizing calculation sheet. Final battery selection should be verified against the battery manufacturer's discharge performance data.
OUTPUTS
Calculation Results
Total System Load 120.00 kW
DC System Voltage 384 V
Backup Duration 15 min
Cut-off Voltage 10.02 V
Cell Voltage 1.67 V
Batteries Per String 32 Pcs/String
Parallel Strings Required 1 String
Recommended Configuration 32S 1P
Total Batteries Required 32 Units
Discharge Current / Battery 486.6 A