UPS Battery Runtime Calculator
Use the CI Group UPS battery runtime calculator to estimate how long a UPS battery system may support a connected load based on the selected battery model and system configuration. Enter the UPS load, power factor, efficiency, number of battery strings and number of batteries per string to calculate estimated runtime.
How to Use the UPS Runtime Calculator
Enter the information for the UPS and battery configuration you want to evaluate:
- Battery Model: Select the battery model being used in the system.
- Efficiency: Enter the estimated operating efficiency of the UPS.
- UPS Load (kVA): Enter the load the UPS is expected to support.
- Power Factor: Enter the applicable power factor for the load.
- Number of Strings: Enter the number of battery strings connected to the UPS.
- Number of Batteries in a String: Enter the number of batteries within each string.
Select Calculate to view the estimated runtime values for the configuration entered.
@ 1.67 Voltage
0 minutes
@ 1.75 Voltage
0 minutes
Understanding UPS Battery Runtime
UPS battery runtime depends on more than the nominal size of the UPS. The connected load, battery configuration, battery model and operating characteristics of the system all affect how long battery power can support the protected equipment.
For facilities evaluating an existing UPS system, runtime calculations can also help with planning for battery replacement, capacity changes, equipment upgrades or temporary UPS requirements.
IMPORTANT NOTE: UPS runtime calculations should be used as planning estimates. Actual battery runtime can vary based on battery age, condition, temperature, UPS efficiency, load characteristics and the specific battery and UPS equipment being used.
For project planning or equipment selection, confirm final runtime requirements using the applicable UPS and battery manufacturer specifications.
Need Help With UPS Capacity or Battery Runtime?
CI Group can help you evaluate UPS systems, battery configurations and available equipment for data centers, commercial facilities and other critical-power applications.
Whether you are planning a UPS replacement, adding capacity, evaluating battery replacement or looking for temporary UPS equipment, our team can help identify options that fit your power requirements.