Users Manual

Battery usage history. Click Battery in System Preferences, then click Usage History to
see your battery’s usage over the past 24 hours or the last 10 days.
Conserve battery power. To extend battery life on a given charge, you can reduce the
display brightness, close apps, and disconnect peripheral devices you’re not using. Click
Energy Saver in System Preferences to change your power settings. If your MacBook Air
is in sleep when a device is connected to it, the device’s battery may drain.
Learn more. For more information about:
The battery in your Mac, including troubleshooting information, see the Apple
Support articles and
How to monitor the battery in your Mac, see
in the macOS User guide
Charging issues with your power adapter, see the Apple Support articles
and
The internal, rechargeable battery in your MacBook Air, and for conservation and
performance tips, go to
About Mac notebook batteries About battery health
management in Mac notebooks
Monitor your portable Mac computer’s
battery
If your USB-
C power adapter isn't charging your Mac notebook If you see ‘Not Charging’
when your Mac notebook is connected to power
Apple Lithium-ion Batteries