UPS Battery Sizing Calculator
Calculate battery quantity, configuration, cut-off voltage and discharge current.
INPUTS
System Parameters
Final battery selection should be verified against the
manufacturer's discharge curves and project requirements.
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
BATTERY CONFIGURATION
Battery Connection Diagram
Series and parallel connection of the recommended battery bank.
32S 1P
+
DC OUTPUT
STRING 1
12V
12V
12V
12V
12V
12V
...
32 Batteries / String × 1 String = 32 Batteries Total
−
DC OUTPUT