Same here yesterday. Battery drain was quite dramatic after the update to tizen 18.104.22.168.
Battery dead in one day instead of 2 and a half days.
I did what i always do after a huge update on my phone. I performed a factory reset and then restored from backup.
Yesterday at 11 am, my battery was down to 54 percent. Today at 11.20 am it's still at 90 percent.
Hope this helps.
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