In macOS 11 Big Sur for MacBooks, Apple replaced the Energy Saver system preference with a new one called Battery. Let’s take a look at Battery and the options you can set.
The first section of Battery is Usage History. This shows two charts: a Battery Level chart and a Screen On Usage. You can see data from the past 24 hours or the past 10 days.
The Battery section has options you might be familiar with from the Energy Saver system preference in previous versions of macOS. Here you can: