Clamshell mode for macOS and Windows allows you to use a monitor as your main display, even when using battery power.

In iPadOS 26, the addition of a Mac-like windowing system, a menu bar, a real cursor, and a much-improved Files app makes the iPad a lot better for getting work done. There are still a couple missing ...

Sleep will put your MacBook to sleep as soon as you close the lid, even if there's another display connected. This is great if you use an external display but never use your MacBook in clamshell mode.