Get help with your mac notebook battery


Learn how to optimize the life of the battery in your Mac notebook, fix battery issues, & get service.

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Your notebook battery life depends on your computer"s configuration and how you"re using the computer. Here are some settings và steps that you can take to lớn get the most from your computer’s battery.

The Battery pane in System Preferenceshas settings to help improve the battery life on your Mac notebook. To view Battery settings, choose hãng menu  > System Preferences, click Battery or Energy Saver, then select Battery in the sidebar.


The example above is from macOS Monterey.Some features such asAutomatic graphics switchingandPower Naparen"t available on all Mac notebooks or versions of macOS.

For maximum battery life, use the following settings:

Turn on “Slightly dim the display while on battery power.” This setting lets your Mac adjust the display brightness khổng lồ 75% when you unplug the computer from power.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 “Automatic graphics switching.” This setting lets macbook phiên bản pro models with multiple graphics processors automatically switch between them khổng lồ maximize battery life.Turn on "Low nguồn mode." This setting reduces energy usage khổng lồ increase battery life.

By default, your display automatically adjusts the brightness khổng lồ conserve power. If you turn off automatic brightness, you should turn it back on later to preserve battery life. To lớn set the brightness automatically, choose táo khuyết menu >System Preferences, click Displays, then turn on ”Automatically adjust brightness”. Learn how lớn adjust your brightness manually.

You can kiểm tra the health of your battery in Battery preferences or the Battery status menu:

In macOS Big Sur or later, choose táo menu > System Preferences, click Battery, select Battery in the sidebar, then click Battery Health.In macOS Catalina or earlier, hold the Option key và click the battery icon in the thực đơn bar lớn reveal the battery status menu.

You"ll see one of the following status indicators:

Normal:The battery is functioning normally.Service Recommended:The battery"sability khổng lồ hold charge is less than when it was new or it isn"t functioning normally.You can safely continue to use your Macbut you should take it to lớn an táo bị cắn dở Store or Authorized Service Provider khổng lồ get your battery evaluated.

To get service for your battery, liên hệ

If your battery holds less of a charge than when it was new or needs to lớn be serviced, the battery status might display Replace Soon, Replace Now, or Service Battery in earlier versions of macOS. If the battery"s lowered charging capacity is affecting your experience, get your battery evaluated at an táo Store or táo Authorized Service Provider.

While some third-party apps report on battery health conditions, the data reported by these apps might be inaccurate và isn"t a conclusive indication of actual diminished system run time. It"s best to lớn rely on the information reported in the battery health menu, described above.

Diagnose battery issues

Learn how to kiểm tra your hardware and identify apps or features contributing lớn high energy use.

Run diagnostics

To troubleshoot your battery, use the built-in diagnostics available on your Mac. Learn how khổng lồ use hãng Diagnostics on your Mac.

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The battery status thực đơn shows you how much charge your battery has and whether it"s currently charging. This thực đơn is at the right side of the menu bar.


The battery status menu also tells you if your display or any apps are using significant energy.Also consider closing any apps that are listed khổng lồ save battery power.

If you use optimized battery charging in macOS Big Sur or later, you"ll see additional information when your Mac is connected to lớn power, such as whether charging is paused or when your battery will be fully charged. If charging is paused and you need khổng lồ have your Mac fully charged sooner, click Charge lớn Full Now.

Resolve charging issues

Get help with other issues such as if your Mac won"t recognize a nguồn adapter or charge to 100%.

If your Mac isn"t charging

Confirm the correct wattage AC adapter for your computer. A power adapter rated for a lower wattage than is required for the system might not reliably charge the computer. If you"re not sure which nguồn adapter khổng lồ use with your computer,learn how toidentify your Mac nguồn adapter.

For more help, learn what to vì chưng if your USB-C nguồn adapter isn"t charging your Mac notebookor if your MagSafe cable or nguồn adapter isn"t working.If issues persist, shut down your Mac, close the display for 30 seconds, then try to lớn charge again. Or if you have an Intel-based Mac,reset the SMC.

If you useoptimized battery chargingin macOS Big Sur or later, or use macOS Catalina or earlier,occasionallythe batterymight not show a full charge (100%) in macOS, even after the nguồn adapter has been connected for an extended period of time. This behavior is normaland helps prolong the overall life of the battery.

If charging is on hold & you need your Mac fully charged sooner,learn how lớn resume charging.

MacBook, laptop macbook Air, & MacBook Pro computers with built-in batteries should only have their batteries replaced by Authorized Service Provider, Store, or an Independent Repair Provider that uses genuine táo parts. Repairs performed by untrained individuals or using non-genuine táo partscould damage your equipment, andsuch damage is not covered bywarranty.Genuine táo bị cắn dở parts are also available for out-of-warranty repairs through Self Service Repair.

Some older Mac notebooks have removable batteries that you can replace yourself. Tương tác Authorized Service Provideror an táo bị cắn Storefor assistance servicing a removable battery.

Independent Repair Providers have access khổng lồ genuine táo bị cắn dở parts, tools, training, service guides, diagnostics, & resources. Repairs by Independent Repair Providers are not covered by"s warranty or plans, but might be covered by the provider"s own repair warranty.Self Service Repair provides access khổng lồ genuine táo bị cắn parts, tools, và repair manuals so that customers experienced with the complexities of repairing electronic devices can perform their own out-of-warranty repair.Self Service Repair is currently available in the United States for specific models of Mac computers introduced in 2020 or later. To lớn view repair manuals & order parts for eligible models, go to theSelf Service Repairpage.

Your táo One Year Limited Warranty includes replacement coverage for a defective battery. If you purchased Protection Planfor your Mac notebook, will replace the notebook battery at no charge if it retains less than 80 percent of its original capacity. If you don"t have coverage, you can have the battery replaced for a fee.

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