Battery Runtime Calculator: Watts, Ah, UPS and Inverter
Estimate battery runtime from voltage, amp-hours and W, kW or VA load, including series/parallel banks, depth of discharge, efficiency, aging, idle draw and target capacity.
UPS runtime calculator
UPS Capacity Calculator
A UPS capacity calculator takes the guesswork out of sizing backup power so you only pay for what you need. This must-have affordable tool helps protect your devices and keep critical systems running through outages.