Can You Check Apple Watch Battery Health. Apple Watch users can check their battery level right on their watch. Swipe up on the watch face to open Control Center and see the battery percentage.

On an Apple Watch. By following the below steps you can know the battery level while you are wearing the watch on your wrist. You can slow the aging but theres no way actually to stop it.
But they wont support the Series 0 as its too old.
You dont need to depend on the iPhone to check the Apple Watch battery level. You can also check Apple Watch battery usage stats in the Watch app on an iPhone. Check Apple Watch Battery Usage. You have most of the features right your Apple Watch Screen.
