In this lesson from TheMacU.com see how the “Charge to Full Now” battery management feature works in macOS. If you have a Macbook that remains connected to power most of the time macOS will prevent the battery from charging past 80% in order to maintain optimal battery health. In this lesson we look at how to tell the Macbook to charge fully and how the feature can be deactivated in the Battery System Preference Pane.