Producers usually provide totally different runtimes for lamps, fridges, CPAP machines, and so forth, however if you wish to work this out for your self, it’s possible you’ll want two figures, and a little bit of math!
First, you want the facility score of the system you intend on working, which might often be discovered on a label on the system and is measured in Watts (W). You additionally have to know the capability of the facility station, measured in Watt hours (Wh), which ought to be printed someplace on the system.
For instance you’ve gotten a tool that consumes 200W and an influence station that has a capability of two,048Wh, you may get a ballpark runtime for the system utilizing the next equation:
(2048 x 0.85)/200 = 8.7 hours
Be aware that the capability of the facility station is multiplied by 0.85 to account for effectivity losses that occur.





