I have the new Ultra 2 and just downloaded watch OS 10.1 while it was charging at 100%, after this update, my battery went down 10% (at 90% now) in an hour and a half. before the update, it took 8 hours to get to 85%. Is this normal after a new update?
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Mine drained 60% over night in about 7 hours and it has never done that with any update.
Completely hosed my series 7. Went from 100% to 10% in a couple of hours.