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  1. Thread Author  Thread Author    #1  

    Default Nexus 4: 70% battery drain overnight, wake up and phone is dead

    Hi all,

    This has happened a few times now. I'm on Android 4.4.2 on my Nexus 4.
    Nexus 4: 70% battery drain overnight, wake up and phone is dead-h0wgnmv.png

    Look at this graph, what the deuce is going on here?! Any insight would be appreciated.

    Thanks!
  2. #2  

    Default Re: 70% battery drain overnight, wake up and phone is dead

    Go back one screen (Settings -> Battery) where you should find a list of apps and OS tools which are consuming your battery listed by percent usage.

    What are the first five or six items in the list?
  3. Thread Author  Thread Author    #3  

    Default Re: 70% battery drain overnight, wake up and phone is dead

    Ok, here it is as of a few minutes ago. As you can see the major culprit is the Screen, which makes sense because I run it on High all day, but I don't think it explains what happened overnight, since the screen was off.
    Nexus 4: 70% battery drain overnight, wake up and phone is dead-hd2txa0.png
  4. #4  

    Default Re: 70% battery drain overnight, wake up and phone is dead

    you should download the app du battery saver from play store it will help a lot
  5. #5  

    Default Re: 70% battery drain overnight, wake up and phone is dead

    Quote Originally Posted by desertUsuf View Post
    Ok, here it is as of a few minutes ago. As you can see the major culprit is the Screen, which makes sense because I run it on High all day, but I don't think it explains what happened overnight, since the screen was off.
    Exactly; that's why the next time this happens you want to go to this screen and see what was eating your battery.

    I have had occasional similar issues and always traced it to the Mail app and my corporate Exchange account. Somehow the app gets stuck in an infinite sync loop and consumes tons of battery (not to mention tons of data...).

    PS: Battery stats get reset after a full charge. So, always check the stats prior to recharging if at all possible.
  6. Thread Author  Thread Author    #6  

    Default Re: 70% battery drain overnight, wake up and phone is dead

    Ah ok thanks for the info. I'll definitely look at the battery log right after the drainage next time.
  7. #7  

    Default Re: 70% battery drain overnight, wake up and phone is dead

    Are you completely stock? There might be a wakelock holding your phone. BetterBatteryStats can help you identify these wakelocks.

    I did face similar problems (not a 70% drop though, you can check out my thread here)

    Also, it's generally bad practice to use your phone heavily while it's charging as it messes up the voltage readings from the battery, which in turn displays the wrong percentage of charge, that could explain such a drastic drop.
  8. #8  

    Default

    Also, android OS should not be the second biggest consumer. In my case it didn't allow my phone to sleep. Restart returned OS consumption to normal. Some glitch there too.

    Posted via Android Central App
  9. #9  
    srkmagnus's Avatar

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    Default Re: 70% battery drain overnight, wake up and phone is dead

    Quote Originally Posted by desertUsuf View Post
    Ok, here it is as of a few minutes ago. As you can see the major culprit is the Screen, which makes sense because I run it on High all day, but I don't think it explains what happened overnight, since the screen was off.
    Click image for larger version. 

Name:	HD2TxA0.png 
Views:	30 
Size:	168.6 KB 
ID:	110274
    Correct, it doesn't explain what happened overnight. There may have been some sort of wake lock, possibly due to an App trying to update or fetch for data. Keep an eye on your apps and what seems too be consuming battery.

    Sent from my Nexus 5 using AC Forums mobile app

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