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.

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. Magic Battery Mini 4.2.1

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 : Displays battery info in a small, floating

: Includes color-coded progress bars (e.g., turning red when a battery drops below 20%) to signal low power. User Pros & Cons Pros : Extremely low system impact due to its "mini" design. Clean, modern interface with high-quality icons. is a lightweight utility designed for macOS that

: Reviewers often note frustration that it does not support most third-party headphones, AirPods, or Beats (which require the full "Magic Battery" version or newer macOS updates).