Magic Battery Mini 4.2.1 Here

: Primarily supports Apple peripherals (Magic Mouse, Trackpad, Wireless Keyboard) and select Logitech devices like the MX Anywhere 3 and K380.

Effective at tracking older Bluetooth devices that macOS might not natively report in detail. : Magic Battery Mini 4.2.1

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