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Turn off “Enable Power Nap while on battery power.” This setting prevents your Mac from checking for mail or other iCloud updates during sleep which improves standby time.

Turn on “Slightly dim the display while on battery power.” This setting lets your Mac adjust the display brightness to 75% when you unplug the computer from power.The example above is from macOS Monterey. Some features such as Automatic graphics switching and Power Nap aren't available on all Mac notebooks or versions of macOS.įor maximum battery life, use the following settings: To view Battery settings, choose Apple menu  > System Preferences, click Battery or Energy Saver, then select Battery in the sidebar.

The Battery pane in System Preferences has settings to help improve the battery life on your Mac notebook.