UPS Run Time/Battery Backup Time Calculator
Calculate the estimated run time or battery backup time of specific models using the load in watts or any uninterruptible power supply (UPS) using the device load (in watts), power factor, number of batteries, battery voltage, and battery amp hours.
Calculate Estimated Backup Time By Model:
*This Calculator Is Extremely Accurate As It Is
Built To Match The Design Specifications Of The UPS
Calculate Estimated Backup Time By Specifications:
*This Calculator Does Not Account For Inverter/UPS Manufacturer
Battery Protection Circuits Which May Cut Off Battery
At 10-35% Instead Of 0%. Use Power Factor Of 0.65 To Estimate
Impact Of Battery Protection Circuit.