In my case, 4.35 hours of battery life for a powerful Alder Lake laptop it’s not too bad, but also nothing to write home about considering the two years old Ryzen Lenovo laptop mentioned in the cycle count chapter averages a bit over 7 hours, also consistently. It’s what geeks like me live for.Īt the end of the report, you’ll see the actual run times you’ve got consistently for Active periods or Connected Standby. It’s a huge report, with dates, active time windows, and percentages drained during that period. You can check exactly, since the OS installation, how much battery you’ve drained. The part that I really love about the powercfg battery report is the usage stats. Check Real Battery Life Estimates Based on Observed Usage That’s a good indication it might be time to replace the battery, or just buy another laptop. It happened on more than one occasion, after years of use, for the laptop to shut down all of a sudden when the reported battery charge reached the 20-30% percent mark. This is not even possible in Windows because the operating system will shut down your device at a certain charge threshold in order to preserve the battery’s health. You don’t need to empty the battery from 100% down to 0% to count as a discharge cycle. So, four 25% discharges make up one discharge cycle (100%). This is the number of complete discharges of your laptop battery.Ī complete discharge is calculated by adding the percentages of each discharge. In the Installed batteries section of the powercfg battery report, there’s an interesting spec: cycle count. Check Battery Charge Cycles and Health in Windows Wonder what Connected Standby/Modern Standby is? Read our comparison with the other sleep modes in Windows. Notice at the top of the report there’s an indication of Connected Standby compatibility, with two options: Supported (for some of the recent systems) and Connected Standby Not Supported (for older systems). Due to manufacturing tolerances, it’s never the same as the listed capacity.
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