01-01-2013 09:34 PM
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  1. bitseeker's Avatar
    I had the problem with Maps sucking power even when not used before the 4.2 update, but the new culprit appears to be Google Play services as noted here: Android 4.2-Gate: Here Are Some Of The Major Issues Plaguing Google's Newest Release
    Ah, good to see confirmation of that. The Play app was a power hog on 4.1 as well. I always check for it and kill the app before I turn off my N7, which might be why it didn't seem to have changed in 4.2.

    Too many services not playing nicely.
    11-27-2012 05:32 PM
  2. cormaster628's Avatar
    Well after I disabled google Currents my battery life saw a huge improvement. Easy fix there, and currents is worthless anyway. It's useless without reader support.

    Sent from my HTC PH39100 using Tapatalk 2
    Eduardo06sp and shontrashi like this.
    11-28-2012 05:55 PM
  3. shontrashi's Avatar
    I'm really tired of this battery issue.....
    11-29-2012 11:16 AM
  4. forestinjersey's Avatar
    As stated above. If you don't use it disable Google Currents. Both my N7 and Galaxy Nexus battery life has nearly doubled!

    Sent from my Nexus 7 using Tapatalk 2
    11-29-2012 01:38 PM
  5. shontrashi's Avatar
    i disabled google current....is that a fix ? lets see what happens now...
    11-29-2012 10:18 PM
  6. bitseeker's Avatar
    i disabled google current....is that a fix ? lets see what happens now...
    Go through all the Google apps and services and disable automatic/background updates and notification on anything you don't really need. The more the N7 wakes up, the less battery is left when you need it.
    11-29-2012 10:52 PM
  7. leddra2k's Avatar
    So guys and gals has 4.2.1 improved your battery life?
    12-02-2012 03:09 PM
  8. Eduardo06sp's Avatar
    So guys and gals has 4.2.1 improved your battery life?
    It came back to normal, but it used to be great.

    Sent from my Nexus 7 using Android Central Forums
    12-02-2012 03:28 PM
  9. shontrashi's Avatar
    i have disabled google current, still not getting the battery power that i had with 4.2.......now i'm getting just 4 hours of average use....i don't play games but watch YOutube short clips and browse, facebook etc........very disappointed......i think it was a mistake to sell ipad 2 and buy nexus 7.
    12-02-2012 09:46 PM
  10. MrLANlord's Avatar
    I had the same issue. I use the battery monitoring app 'Battery Mix'. It showed me that my weather app 'The Weather Chamnel' was using most of my battery. I went from 2-3 days per charge to less than 1.

    Once I removed the weather app I rocketed back up to 2-3 days per charge. Not sure if that helps you.

    Sent from my HTC6435LVW using Android Central Forums
    12-02-2012 10:16 PM
  11. Eduardo06sp's Avatar
    i have disabled google current, still not getting the battery power that i had with 4.2.......now i'm getting just 4 hours of average use....i don't play games but watch YOutube short clips and browse, facebook etc........very disappointed......i think it was a mistake to sell ipad 2 and buy nexus 7.
    I dislike the fact that some people compare a $200 tablet to a $400 tablet. If you find the half-price so competitive, maybe you shouldn't be complaining. You would have gotten a Nexus 10 if you wanted better battery life. Also, disable all of Google's Location Services. Then make your Wi-Fi go off when your tablet sleeps.

    Sent from my Nexus 7 using Android Central Forums
    shontrashi likes this.
    12-03-2012 01:22 AM
  12. shontrashi's Avatar
    I had the same issue. I use the battery monitoring app 'Battery Mix'. It showed me that my weather app 'The Weather Chamnel' was using most of my battery. I went from 2-3 days per charge to less than 1.

    Once I removed the weather app I rocketed back up to 2-3 days per charge. Not sure if that helps you.

    Sent from my HTC6435LVW using Android Central Forums
    thanks so much. I have downloaded the app "battery mix" and found out that "Launcher" is consuming up to 68% battery.......if i'm not wrong, it is preinstalled with Nexus as i don't remember i downloaded any launcher........
    does anybody have an idea what "laucher" on the app list is ? can i disable it?
    thanks.
    12-03-2012 01:33 AM
  13. shontrashi's Avatar
    I dislike the fact that some people compare a $200 tablet to a $400 tablet. If you find the half-price so competitive, maybe you shouldn't be complaining. You would have gotten a Nexus 10 if you wanted better battery life. Also, disable all of Google's Location Services. Then make your Wi-Fi go off when your tablet sleeps.

    Sent from my Nexus 7 using Android Central Forums
    i'm complaining coz i had a good battery life prior to the 4.2 update....and i know i'm not alone and it has nothing to do with hardware...it is purely software based .......i used to have solid 7 hours of browsing with 4.1 now it reduced to just 4 hours.....i have all the reasons to whine about .. ...
    Eduardo06sp likes this.
    12-03-2012 01:36 AM
  14. cormaster628's Avatar
    I don't think it's as good but I can get a full day on a charge so screw it

    Sent from my HTC PH39100 using Tapatalk 2
    12-03-2012 05:37 AM
  15. vicuvic's Avatar
    Hello folks

    I have a similar issue with my Nexus 7, and this happen from the last 4.2 update.
    Basically seems that the battery estimation is shifted up, since after a full charge the device stay is 100% for hours when used and when reach 50% less or more, shut down and the battery load go down roughly.


    Does anyone had this issue, or some ideas to fix it?
    Before with 4.1 it worked perfect, but I'd avoid a rollback.

    Thanks
    V.
    12-03-2012 05:52 AM
  16. caseybea's Avatar
    OK, I've been fighting this for weeks since 4.2 (and now, 4.2.1)- seeing "google services" really high up on my battery list-- where that really was nowhere near the top at all. I tried disabling currents, and lots of things, and finally-- disabling my location services completely fixed it (disabling currents did nothing for me....)

    That was the short-term solution.

    I then installed "Battery Mix" (great app!) - and then turned location services back on to hunt down the culprit.

    In a day, I had my answer: HD WIDGETS. That one app was using something like 25% of my battery. And that was without any actual widgets on any screen! But the "default" battery app only displayed 'google services'... seeing WHAT is using the google services - i..e, location stuff, is the key. Other battery apps will most likely also help see the same thing.

    SO.... in the end, in *MY* case, HD WIdgets was what was causing my issue-- the "locate automatically" setting is what I turned off in that one app-- and all is normal. My battery life and use is where I once had it before 4.2.

    My final theory: That 4.2 and 4.2.1 "changed" how location services works when it's called from an app-- and in many cases, it's just fine. But in some cases, some apps no longer use location services uh, "correctly" and it's up to the app developers to fix the issue.
    12-05-2012 11:02 PM
  17. cormaster628's Avatar
    Yeah don't use hd widgets. It'll cause battery drain as well as random reboots

    Sent from my HTC PH39100 using Tapatalk 2
    12-06-2012 05:34 AM
  18. shontrashi's Avatar
    Some suggesting disable Google current, some saying widgets are the culprit, then comes location service... ..use on airplane mood Etc etc....seriously if I can't use these services all the time, then what's the point of using tablet ?
    12-06-2012 07:05 AM
  19. aarora610's Avatar
    Some suggesting disable Google current, some saying widgets are the culprit, then comes location service... ..use on airplane mood Etc etc....seriously if I can't use these services all the time, then what's the point of using tablet ?
    They'll fix it. Jeesh.

    Sent from my Nexus 7 using Tapatalk 2
    12-06-2012 08:14 PM
  20. B. Diddy's Avatar
    Some suggesting disable Google current, some saying widgets are the culprit, then comes location service... ..use on airplane mood Etc etc....seriously if I can't use these services all the time, then what's the point of using tablet ?
    You can use these services all the time. You just have to accept the fact that your battery life will be somewhat less. Remember that your average mobile phone user has to charge by the end of the day, if not earlier, since he or she usually has mobile data and GPS on all of the time, with constant email, text, and social media notifications going on.
    12-06-2012 09:17 PM
  21. shontrashi's Avatar
    never had battery issue with 4.1 .
    Tablet has larger battery, unlike phone i don't want to charge it end of the day.
    12-06-2012 09:27 PM
  22. B. Diddy's Avatar
    Have you tried the last resort, a factory reset? I know, pain in the butt, but not as much of a pain as you might think to restore everything. And it often helps after a system update, regardless of the device.
    12-06-2012 09:38 PM
  23. mr_nobody's Avatar
    Tablet has larger battery, unlike phone i don't want to charge it end of the day.
    Yeah, and it has a larger screen to power too...what's your point?
    12-06-2012 10:11 PM
  24. flux capacitor's Avatar
    Downgraded back to 4.1.2. Screen is at 50%, WiFi is disabled on sleep.

    Sent from my Nexus 7 using Android Central Forums
    Attached Thumbnails 4.2 battery life-uploadfromtaptalk1354860718363.jpg  
    12-07-2012 12:12 AM
  25. smartiekins's Avatar
    Is there a setting that I can select to automatically turn WiFi off when it's in sleep? I'm rubbish at remembering to do it manually!

    Sent from my HTC One V using Tapatalk 2
    12-07-2012 01:57 AM
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