"Have you noticed a decline in your laptop's battery life? Does it randomly fall below 20%, leaving you scrambling for a charger? 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."
"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."
Windows 11 can generate a battery report that provides detailed metrics including design capacity, full charge capacity, cycle counts, chemistry, lifecycle position, and recent charging history. The report is produced by running PowerShell and exporting an HTML file to the C: drive, which can be opened in a browser. Design capacity is expressed in milli‑watt‑hours (mWh) and represents the battery's original energy output; full charge capacity shows current maximum energy. Comparing these values and reviewing cycle counts reveals degradation. Batteries are consumable and will eventually require replacement when capacity falls significantly.
Read at ZDNET
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