How to Check the Battery Health of an iPhone

Last Updated: March 29, 2019

This wikiHow teaches you how to find out if your iPhone’s battery needs to be replaced. You can check for a warning message in the Battery section of your iPhone’s Settings, use your Mac’s Console app, or install a free Mac app called coconutBattery.

Method 1

Method 1 of 3:

Checking the Battery Settings

1
Open your iPhone’s Settings
. If your battery needs to be replaced, a warning will appear in your battery settings.^{[1]
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2
Scroll down and tap Battery. It has a green icon with a white battery inside.

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3
Look for a message at the top of the screen. If you see “Your iPhone battery may need to be serviced” in the gray area at the top of the screen, the battery should be replaced. If not, the battery is fine.

Method 2

Method 2 of 3:

Using the Mac Console

1
Connect your iPhone to your Mac with a lightning cable. You can use the Mac Console app to check your iPhone’s battery health. Use the cable that came with your iPhone or one that’s compatible.^{[2]
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2
Open Console. It’s in the Applications folder, usually in a sub-folder called Utilities.
3
Click iPhone. It’s under the “Devices” header in the left column. This selects your iPhone.
4
Type batteryhealth into the search bar and press ⏎ Return. It’s at the top-right corner of the console. You’ll see some results in the main panel.
- If no results appear, you may have to unlock the screen of your iPhone.
5
Check the value of “BatteryHealth.” If you see BatteryHealth = Good, the battery does not need to be replaced.

Method 3

Method 3 of 3:

Using coconutBattery for macOS

1
Install coconutBattery on your Mac. This is a free Mac app that can check your iPhone’s battery health when the phone is connected via cable. You can get this free app at https://www.coconut-flavour.com/coconutbattery.
2
Connect your iPhone to your Mac with a lightning cable. Use the cable that came with your iPhone or one that’s compatible.
3
Open coconutBattery on your Mac. It’s in the Applications folder.
4
Click iOS Device. It’s the third icon at the top of coconutBattery.
5
Find the health of your battery under “Design Capacity.” The overall health is displayed as a percentage—the higher the percentage, the better your battery health.