12-16-2017 12:52 AM
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  1. Nauga's Avatar
    definitely worse...losing 7 percent overnight ...was losing 2 percent or 3 at most
    That's my experience, too. The days of charging to 100% at night and waking up to a phone still displaying 100% charge seem to be over. My 2 XL typically loses about 6% overnight now. Not a major hit, but still a hit.

    [BTW--Can some moderator delete this duplicate post? I'm not getting a delete option here.]
    12-15-2017 11:28 AM
  2. Nauga's Avatar
    definitely worse...losing 7 percent overnight ...was losing 2 percent or 3 at most
    That's my experience, too. The days of charging to 100% at night and waking up to a phone still displaying 100% charge seem to be over. My 2 XL typically loses about 6% overnight now. Not a major hit, but still a hit.

    I'm inclined to think it is updated calibration,
    Sounds about right, t'me.
    12-15-2017 11:30 AM
  3. xweb10's Avatar
    This really seems bad. Brand new phone (less than one week) had great battery until 8.1. Please take a look at these screens from this A.M. Charged to 100% 3 hours ago and limited usage. Does this seem reasonable?

    Battery life took a hit after 8.1 update-batt1.jpg
    Battery life took a hit after 8.1 update-batt2.jpg
    Battery life took a hit after 8.1 update-batt3.jpg
    12-15-2017 11:41 AM
  4. cbreze's Avatar
    In my web search I saw nothing in any type of info regarding the 8.1 release and battery calibration of any kind. Lots of complaints tho about batteries draining and curiously the standard checks and fixes regarding rogue apps and the like. Facebook was mentioned as a culprit.
    I'm starting to think our batteries get better , more realistic calibration in this update. Yesterday I decided to perform an FDR on my Pixel2.
    Previously on Oreo 8.0 , same scenario I'd wake after 8 hours to a Pixel showing either 99% or actually more often 100%. Now after the 8.1 update every morning I wake to 93% battery. The consistency tells me the same processes are going on over nite and when I check battery stats
    it shows system: 3%
    phone idle: 2%
    White noise app(which ran for 1 hour): 1%
    Mobile network standby: 1%.
    All that totals to the 7% I lose over nite.
    And, this is the only usage I get when my phone is basically sitting idle for 8 hours.
    I've searched the web for any info on a possible battery calibration that came along with the 8.1 update but can't find anything. Didn't surprise me as finding update info seems akin to pulling teeth at times.
    I'm guessing the battery is fine and it is now more accurately displayed. Being stuck at 100% or losing 0% over nite is unrealistic to my way of thinking.
    I'm glad I did the FDR since now I'm fairly sure my phone is good and no battery issue. As long as I get thru the day which I have everyday since day one then I'm happy. A full day on a charge is plenty sweet IMHO. So this is what I found out and your experience may be different. Loving the Pixel.
    12-15-2017 12:04 PM
  5. idiotekniques's Avatar
    Not noticing much of a hit in battery life on 8.1 - I did go and turn off the always on mobile data setting right away. So far so good.
    12-15-2017 12:18 PM
  6. cbreze's Avatar
    Not noticing much of a hit in battery life on 8.1 - I did go and turn off the always on mobile data setting right away. So far so good.
    Also tried that for a couple days but didn't see any difference
    12-15-2017 01:08 PM
  7. xweb10's Avatar
    Also tried that for a couple days but didn't see any difference
    Me too.
    12-15-2017 01:16 PM
  8. 1901Madison's Avatar
    I might sit this update out until this gets figured out. The battery life is one of the things I love most about my Pixel 2.
    12-15-2017 04:58 PM
  9. DustBow's Avatar
    I think 8.0 was just off, especially at the top of the charge. It would take a while for my phone to drop from 100, then it would take a while (too long in all honesty) to drop below 90%, then it seemed to drop more rapidly from that point on... Reminded me of one of our cars where each 1/4 tank on the fuel gauge drops faster than the previous one...
    sixty_four likes this.
    12-15-2017 05:20 PM
  10. AGReklaw's Avatar
    Some of these apps aren't working properly with the 8.1 update...

    I caught the ES Task Manager using 20% of my battery while doing nothing. It wouldn't even launch when I tried to use it.

    Nevertheless, I still got 6 hrs 42 mins of straight SOT playing HULU @ 20% brightness...
    I got 4 hrs 20mins playing HULU with the flashlight on during the whole time...

    But once again, I caught the ES Task Manager draining my battery for no reason. Before the update I could walk around with my phone in my pocket for 3 hours and only use 1%. Now I lose that every 30 minutes. I uninstalled the task manager, now I will see if it still drains...
    12-15-2017 07:54 PM
  11. sselemanrm's Avatar
    an update on my last two charges..

    Did 2 days and 8 hours without a charge and went from 95% to 20% with 5hrs SOT time. I didn't change much from the usual settings(2% brightness, static screen, notifications off for most apps, relatively dark background, nfc and bluetooth off, airplane mode when I'm sleeping) I did change my background to dark, and I turned off data when I wasn't outside. I lose about 1-2% on average in a 7 hour period when I'm asleep with airplane mode(before the update it was about 1% or less actually. I also close apps I'm not using for the rest of the day.

    Just a few hours ago I charged my phone after going from 100% to 6% after 2 days and 18 hours, with 6hrs and 25 minutes SOT time.
    12-16-2017 12:52 AM
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