Apple watch battery draining quickly after iOS 26.0.2 Update.

Im having the same issue. I charged it before I went to bed at 9:30..Twelve hours later it's dead. Ive done nothing except sleep. Before it would keep the charge up until the evening. so maybe I could go twenty hours on that one charge. Now it's barely making twelve.

Update: after 2 weeks, the battery life has recovered to being better than it has been in at least a year.

There must indeed have been some background processes going on.

But they took long and were certainly intense

Experiencing the same issue on Series 7. This is ridicilous. Charged my watch last night before a 40 minute run using low power mode, as now that's basically the only way to have the watch usable, and even despite that in the morning it was already dead.

Did you find a solution? I tried disabling background processing tried disabling “always on”

after three weeks of suffering I am helpless

things I did not check

1) unpairing

2) restoring to previous iOS version

3) reset to factory settings

but before I take those major steps I would like you to tell me which worked out for you

Hi

Tried the force restart option. For the time being the ratio of battery consumption is 4% per hour.

At this pace I might get an autonomy of around 26 hours, which are less of what I had before the iOS upgrade but more than what I had the last few days.

If I see the pace of4% is not kept I will need to go for the unpairing solution.

As for the battery health it is 85% (it is not 3 years since I purchased the clock).

Hi

Thanks for the tips.

My battery health is 85% after 2 years and 9 months of usage. My expectation from a battery is at minimum 3 years of service.

I am not able to change the clock every time its running low.

Yesterday I went out for cycling and it drained so fast that when I was 3 miles away from home I noticed the battery was 9% so it actually helped my workout as I had the inspiration to cycle faster and close the workout before the battery dies. However it cannot work that way (the clock was fully charged at 9:30 AM and died at 9:00 PM).

My Apple Watch is finally back to normal battery life since last week.

Actually seems that it is getting even better by the day. I have 48% remaining after 14 hours, when it would drain in 6 hours after the update.

Only thing is, it took 3 months before it started getting better, and I had tried all the solutions that were proposed.

Hi

Just what happened to me.

Obviously the watch is not behaving as it used to, two and a half years ago, but it is behaving more and more similar as it used to before the update. Do not really understand the reason.

You're welcome 🙂

All the best!

I have the same problem with my AW7, earlier on end of the day a have about 15-20% battery, now in ios26.0.2 I need charging at 4-5pm to add 20% battery to last to the evening 8pm

Remove this

Same here. Apple Watch Ultra Battery Health 84%.

With Watch OS 26 battery lasted 1,5 Days, After updating to 26.0.2 under 24 Hours.

Same issue with my Apple Watch series

it used to last more than a day with my typical usage. Post update to 26.0.2 23% battery drain in just 45 min and barely able to go through half day