WatchOS 5 battery drain overnight on charger

[c.s.]

First time this has ever happened. I have a series 3 and updated to WatchOS 5 yesterday. I put it on the charger at about 80% when I went to bed, and when I woke up the battery was at 30%. This happen to anyone else? The fix was easy - I took it off the charger and put it back on, and it started charging again. I have to believe it's related to the new OS, because I've never had this happen before.

 

[Nozuka]

happened to me a few months ago. like 2 times. then i just restarted the watch and it never happened again.

 

[c.s.]

Sounds good. I remember when I had an issue with the battery draining really fast and a hard restart fixed it.

 

[MVPinFLA]

That actually happened to me for the first time with my Watch 2 a few days ago before updating. A restart solved the problem.

 

[Digidesign]

Happened to me too after updating to WatchOS5. Reseating it on the charger didn’t make a difference.

Restarted just now and hope the charge works normally.

 

[RyCan3]

I just got notified that my watch is at 10% battery. I took it off the charger about 7 hours ago. It was 100% charged. I have never ran out of battery prior to installing os5.