If Laptop Battery icon is missing from Taskbar & Power button System icon setting grayed out in Windows 11/10, then this post will show you how to fix it.

Spotted in the latest Windows 11 preview build, Microsoft is adding an option to show your PCs battery percentage next to the battery icon in the System Tray on the Taskbar.

You can turn On or Off Battery Saver mode In Windows 11/10 via Quick Actions, Settings, Command Prompt, and Taskbar Notification icon.