4.2.1 | Magic Battery Mini

Effective at tracking older Bluetooth devices that macOS might not natively report in detail. :

: It only provides monitoring and predictions; you cannot perform maintenance tasks or deep system adjustments. Version 4.2.1 Context Magic Battery Mini 4.2.1

: Automatically adds or removes devices from the view as they connect or disconnect. Effective at tracking older Bluetooth devices that macOS

In the version 4.2 series, updates primarily focused on and fixing potential crashes that occurred during long periods of continuous operation. If you are using this specific version, ensuring your macOS is compatible is vital, as later updates (like 5.0.0) were required for the latest system stability. 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.