I am experiencing slow charging after Watch OS 10 upgrade

my Apple Watch is charging very slowly after upgrading to Watch OS version 10.

After hours on a good charging cable it has reached only 80% charge. Never took more than an couple of hours prior to Watch OS 10 upgrade.

Posted on Sep 22, 2023 11:33 AM

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Question marked as Top-ranking reply

Posted on Oct 1, 2023 4:21 PM

Just a reminder...

You can make your watch charge to full before it's scheduled to do so:

  1. Make sure that your Apple Watch is connected to its charger.
  2. Tap your watch to show the charging screen, then tap the circle with the green or yellow charging icon .
  3. Tap Charge to Full Now.

Your Apple Watch takes time to learn your charging patterns before it uses Optimized Battery Charging. If your Apple Watch is new, or if you recently updated to watchOS 7 or later, the charging screen will say Charging to full.

If you want to turn off Optimized Battery Charging:

  1. Open the Settings app on your Apple Watch.
  2. Scroll down, then tap Battery.
  3. Tap Battery Health.
  4. Turn off Optimized Battery Charging.

5 . Choose Turn Off Until Tomorrow or Turn Off.

23 replies

Apr 30, 2024 10:07 PM in response to jlberry48

I’m also experiencing a sudden plummet in charging speed in my Ultra 2. It’s not a subtle difference, it’s huge.


I used to be able to plug my watch in before taking a shower, and by the time I was ready for bed it’d be ether fully charged or almost charged. Now in the same time period I’m lucky if it hits a 40% charge. Even after hours more it won’t even make it to 80%.

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I am experiencing slow charging after Watch OS 10 upgrade

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