I'm using a laptop and have several batteries for it. Is there a program for windows to measure the time the system was running with a battery? Just to check on how each of them is performing without having to sit next to it with a stopwatch...
Thanks for your time
More aboutmeasure batery lifetime
I using Hw monitor pro, it had battery capacity meter (mWh) not quite accurate but it give a good view/reference about how the batt performance, it's age, etc...