Have you just noticed your battery is draining unusually fast?

Did you wake up one morning to find your Mac had drained overnight?

One of the biggest benefits of aMacBookis its portability without the worry of plugging in.

MacBook Air M2 left side connections with charging and USB ports visible.

Marcus Mears III / How-To Geek

If yours is showing excessive power drain, here’s what to do.

Better still, use this information to make more informed choices about how you use your Mac.

If you notice an app is using a lot of energy, consider switching to a more efficient alternative.

Restart macOS to fix a myriad of problems

Turn Down Your Screen Brightness

Displays are one of the biggest drains on laptop battery life.

Turn your display brightness down wherever possible using the F1 and F2 keys on your keyboard.

Using your MacBook in full sunlight will likely require that you max out the brightness to see the screen.

Apps using significant energy in macOS

Apps likeVividandBetterDisplaythat boost your display brightness will cause significant battery drain.

AvoidingHDR playbackon battery power will help to preserve battery life.

This allows you to trade performance for battery life, somethingyou can also do on the iPhone.

Sort by “Energy Impact” in Activity Monitor for Mac

Disconnect Unnecessary Accessories

Disconnect anyaccessoriesthat draw power from your MacBook to preserve battery life.

To do this, launch Activity Monitor and press the CPU tab.

At the top of the screen click View > Columns and unlock the “Preventing Sleep” column.

Screen brightness control overlay in macOS

Pay close attention to any third-party processes that are preventing sleep.

Don’t worry too much about macOS processes like

orpowerd.

Under normal use, your battery will gradually deplete but should stay relatively stable while in sleep mode.

Enable Low Power Mode on your MacBook

Note the*process=part of the log, which tells you exactly which process is causing the wake request.

Check Your Battery Health Too

You cancheck your MacBook battery healthunder controls > Battery.

choose the “i” to see more detail including the maximum capacity in percentage.

Enable “Preventing Sleep” column in Activity Monitor

you could see your totalcharge cyclecount using System Information too.

Third-party repair stores are always an option and will charge less than Apple, but may use third-party parts.

Alternatively, it’s possible for you to have a crack atreplacing the battery yourself.

Sort by apps preventing sleep in Activity Monitor

First, figure out which MacBook model you have using Apple > About This Mac.

“macbook pro 2021 16 battery replacement” which should yield a tutorial likeiFixit’s.

Use this guide to ascertain how difficult the process is.

MacBook battery draining overnight

you’ve got the option to always submit feedback and relate your experience using Apple’smacOS feedback form.

Related:Debunking Battery Life Myths for Mobile Phones, Tablets, and Laptops

View wake requests using Terminal on your Mac

Check your MacBook battery condition

Check battery cycle count in macOS

“About This Mac” information screen in macOS 13 Ventura