battery after updates.

invalid@example.com (Carlost88), Carlost88
Sat, 12 Jan 2019 12:38:14 +0000
Nokia 7 Plus

Currently on pie with December security patch in the uk, I've noticed battery isnta great as it was a few months back. Has anyone else thought the same? I know batteries degrade after time which loses capacity but not this quick lol. We t from getting 7/8hrs ost to 6