Battery drain after watch 6 updated to watchOS9.2

My watch on 9.2 had 59% when I went to bed last night.

With a 2 year old watch it may well be the battery at fault

Two tests

1. Look at batter health in Settings, Battery, Battery health. Is it at least 80%?
2. Tonight charge it up to 100% before bed time. Power it right off and take it off charge. In the morning turn it on and see if the charge is at least 95%. If it is less then the battery may have an internal discharge and needs replacing

With 1. or 2. true you need a new battery

Watch battery replacement

Apple Watch Service & Repair - Apple Support

If the watch battery passes both tests then unpair it, remove any security apps from the iPhone, check all apps are up to date, then re-pair the Watch.

This would be helpful if the information under Settings - Battery - Battery Health was for our Watches but it’s not. That’s for the health of your iPhone. So basically you’re having us check the health of our iPhone battery NOT the Apple watch battery. Making your first “test” here null & void of useful info in regard to Watch draining.

Check the iPhone battery health and usage - Apple Support

The only way to check your Apple watch battery is ON the watch. Don’t ask me why but Apple hasn’t added it to the Watch app on our phones.

Check your battery and charge your Apple Watch - Apple Support

The second test is worth trying but I was fully charged when I updated yesterday, am using less than 10% of the storage on my 32GB watch 5, have background app refresh only on for 6 apps, use wifi not data, and went from 87% last night to 60% this morning with no apps running. Not even an alarm.

I don't remember suggesting you check the battery health on the phone

on my Watch it's Settings, Battery

Battery Health

If you can't follow simple requests or about coming back tomorrow after the overnight test and the other stuff after that then I am unfollowing the thread,

Good luck

If you just bought this I suggest chatting with Apple Support as it will be under warranty coverage. Also give it a few days, they usually resolve the battery issue after a release. Happens frequently. You may just have to turn on low power or make sure you close apps for now. Good luck.

[Edited by Moderator]

Contact Apple by all means after you did the overnight test (which Apple do not have the equipment to check)

If the watch battery passes that test and you have 100% health then unpair it, remove any security apps from the iPhone, check all apps are up to date, then re-pair the Watch without restoring the backup.

Waiting for the famous "update fix" has been bandied around since Apple made their first battery driven device. It doesn't exist.

Having this issue too, full charge before bed so I could wear it to sleep at night. Before updating, I could get 75% of battery life the next morning and still go about my day and get 20% of battery by the end of the day with decent usage.

Now, after the update, I only get 15% of battery life the next morning! What is going on?? How can I track the rest of the day with the low battery life. It's coming to noon now, and it's at 2%.

Come back tomorrow when you did the two tests.

There was also the last line in my response.

You didn’t specify that it was on the watch or iPhone. You just gave a basic outline which can be misleading.

[Edited by Moderator]

Sure… it doesn’t exist 🙄 It’s happened before (ie. last update 😧 ) it’ll likely be a fix again…

https://www.macrumors.com/2022/10/24/apple-releases-watchos-9-1/