Battery — Magic

Supports internal MacBook batteries alongside external peripherals. Automatically detects connected/disconnected devices. Provides detailed, compact, or icon-only views. Optimised for modern macOS versions and Apple Silicon. 2.

The most common real-world reference is a utility App for macOS developed by Sascha Simon. Magic Battery

This is the title of a fantasy novel by Gary McGath , published in 2020. published in 2020.