Very weird battery usage stats all of a sudden

[BadCash]

I just had a look at my battery stats for today, and something aint right. As you can see, it shows that Android OS has been using 82% of the battery, while the screen comes in second at only 5%. This can't be right, can it? Usually the screen is the big battery user for me. Also, it's weird that there are no apps visible in the list - usually there are, and I've been using a lot of apps during the day, like Maps, Tinder, Line, Messenger, AirBnb, and so on.

I've never seen anything like this, have you? What could be the cause?

 

[Rukbat]

That could be Play updating a lot of apps, or some large app being updated.

BTW, drawing the battery down to 17% regularly will mean a large battery replacement bill. Lithium batteries are not deep-discharge devices - they should be charged when they drop to 40%-50%.

 

[BadCash]

I should perhaps add that the screen (according to the battery stats) has been on for 4 and a half hours... I find it hard to believe that anything "normal" like updating apps or basically doing anything would cause 80% Android OS and 5% screen in 13 hours, with 4.5 hours screen on time... sounds more like a bug in the battery stats, but I could of course be wrong.

Normally I am used to seeing something like 30% screen, 10% Android OS, 5% Android system with the same kind of usage...

 

[kaicho]

I got the same situation here. It seems only just recently that the Android OS consumes majority of the battery power. Usually, in my situation, it's the screen or on-line movies.