Magic Battery Mini 4.2.1 -

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

Check if your specific is on the supported list. Help you find free alternatives for battery monitoring. Magic Battery Mini - App Store Magic Battery Mini 4.2.1

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