(^) in the system tray and drag the battery icon back to the visible area. Microsoft Learn Windows 10 Customize the Taskbar in Windows - Microsoft Support
The most common way to add the battery icon back to the taskbar is through the Windows Settings app. The exact path varies slightly between operating systems: add battery icon to taskbar
Before we dive into the fixes, it helps to understand why the icon vanished. The most common reasons include: (^) in the system tray and drag the