Control-panel UPS backup time
Approximate battery backup time for a control panel from battery capacity and load.
Inputs
Calculations run in your browser. Your input values are not submitted or saved.
Results
- Usable energy
- 120.96 Wh
- Estimated backup time
- 2.016 h
- Estimated backup time
- 120.96 min
A rough planning estimate only. Real backup time depends on battery age, temperature, the discharge curve and inverter behaviour; validate the requirement with an actual load test.
Formula & guidance
runtime hours = Ah × V × usable fraction × efficiency ÷ load watts
A rough planning estimate only. Real backup time depends on battery age, temperature, the discharge curve and inverter behaviour; validate the requirement with an actual load test.
Change the example inputs and check each field’s units. Use equipment datasheets and applicable project standards for final decisions. Results do not establish Canadian electrical-code compliance or certify a design.