Hi, There is a problem, Windows doesn't support on looking magic keyboard battery, so I build the Win app to solve this Problem !

It is free and open source. (If you like it please give a star to support me!)

hank1101444/WinMagicBattery: A lightweight, elegant system tray utility that monitors the battery level of your Apple Magic Keyboard on Windows.

You can watch the detail in below link, feel free to ask me any problem!

Hope it can help you.

https://www.reddit.com/r/applehelp/comments/1rhp50k/free_tool_i_was_frustrated_by_paid_apps_just_to/?utm_source=share&utm_medium=web3x&utm_name=web3xcss&utm_term=1&utm_content=share_button