
"You can run a report to check your battery's overall health and if it's time to replace it. And no, you don't have to be a pro to access this feature. The fact is that batteries are, by their nature, consumable technology. All will inevitably degrade, regardless of how they're treated. That said, if your battery is a shadow of its former self, it may be nearing the end of its lifespan."
"How to run a battery report In the Windows search bar, type powershell and hit Enter. In the black text window that pops up, type: powercfg /batteryreport /output "C:\battery-report.html" and hit Enter. The device will send an .html document to the C: folder. Navigate to the folder in Windows Explorer and double-click it to open it in your browser. This report describes the name of your battery, its chemistry (likely either lithium-ion (Li-ion) or lithium-polymer (LiP)), its lifecycle position, and some recent charging data."
Batteries are consumable and will degrade over time, causing reduced runtime and unexpected drops below 20%. Windows 11 can generate a battery report that details design capacity, full charge capacity, cycle counts, chemistry, lifecycle stage, and recent charging patterns. Generate the report by running PowerShell and executing powercfg /batteryreport /output "C:\battery-report.html"; the system saves an HTML file to the C: folder for review. The report presents energy measurements in mWh and compares design versus current full charge capacity to indicate wear. Small usage habits have limited impact on long-term degradation. If capacity significantly declines, battery replacement is recommended.
Read at ZDNET
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