Microsoft's battery icon redesign gets top billing. To make the Windows 11 UI more intuitive, Microsoft has enabled color battery icons in the taskbar.

Once you're in there, you can customize the icon to something else—though you'll sometimes need to unpin and re-pin the shortcut to get it to work. How to Customize Your Windows 7 Taskbar Icons ...

Look for a battery icon in your Taskbar. By default it’s to the right, near your Wi-Fi indicator. Tap or click on it to view more battery options and see how much power your battery has left.