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Like the iPhone and Mac, the Apple Watch has a Battery Health option that lets you keep tabs on the longevity of your Watch battery. This setting will let you know if your Watch still holds a strong charge as designed initially (or if the battery is failing with age).
If you start having a power issue with your Watch, this is the first setting you should check.
Apple added the Watch health setting to watchOS 7, so you need to update your Watch to this version or newer if you already haven’t done so.
You can check your Battery Health right on your Apple Watch in its Settings app:
- Open the Settings app on the Apple Watch.
- Scroll until you see the entry for Battery.
- Tap on the Battery button and find the option for Battery Health.
- Tap on Battery Health.
- Here you will find the maximum capacity of your battery.
Unlike many settings that are found on both the Watch and the Watch app on iOS, this value is only included on the Watch. You will not find the battery setting in the Watch app on the iPhone.
Battery Health shows the maximum capacity of the battery that is installed. A battery with 100 percent maximum capacity is still in the like-new category. As the device ages, this maximum capacity will decline to the point where the device is no longer able to hold a charge.
Loss of capacity is expected with use so don’t be discouraged if your battery is not at 100 percent.
If your Apple Watch battery fails, you can bring the Watch into the genius bar for evaluation. Though users cannot change their own battery, Apple will do so for a small fee if you are outside the device’s standard warranty.