Question How long will my battery last?

[mangelsh1]

Is there a software that will run instances of programs and give me an estimate of how long my battery will stay charged? I tried PCMark 10 but it did not give me any kind of estimate of how long the laptop would last on a charge, I had to look at how much the battery % changed during the test but I'm not sure that's very reliable. Just wondering if there was another way.

 

[rgd1101]

windows would give you an estimated