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.

The WiFi, Sound & Battery Taskbar Icons in Windows 11 are combined. We show you how to Ungroup Taskbar Icons in Windows 11 using ExplorerPatch.

Those are system icons, and you can choose which icons can stay or go. We'll show you how to select which system icons appear in the Windows 10 taskbar.