Magic Battery Mini 4.2.1 Link

Check if your specific is on the supported list. Help you find free alternatives for battery monitoring. Magic Battery Mini - App Store

is a lightweight utility designed for macOS that monitors the battery levels of connected Bluetooth input devices. While version 4.2.1 is an older release—succeeded by current versions such as 4.2.5 and higher—the app generally receives positive marks for its simplicity, though users should note strict limitations on device support. Key Features & Performance Magic Battery Mini 4.2.1

: Primarily supports Apple peripherals (Magic Mouse, Trackpad, Wireless Keyboard) and select Logitech devices like the MX Anywhere 3 and K380. Check if your specific is on the supported list

The app is available for download on the Apple App Store and developer Sascha Simon's website . If you'd like, I can: Compare this "Mini" version to the app. While version 4

: Automatically adds or removes devices from the view as they connect or disconnect.

: Displays battery info in a small, floating window or via a Notification Center widget rather than cluttering the menu bar.