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General Galaxy Nexus Battery Life

Discussion in 'Android Devices' started by Romparoo, Dec 16, 2011.

  1. Caddyman

    Caddyman Android Expert
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    right, battery calibration is important and can take a bit.
     

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  2. aysiu

    aysiu Android Expert
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    The thing is lithium ion doesn't have a memory effect in terms of what it's capable of (with nickel cadmium, not fully draining the battery each time would actually shorten what the battery life was capable of physically). It does, however, require recalibration every month or so. It isn't good for your battery life in general to do frequent full drains on lithium ion. One close-to-full drain every 30 days is a good idea, though.
     
  3. blkbeltkid17

    blkbeltkid17 Android Expert
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    Or if you rooted you can reset your batt stats via recovery
     
  4. aysiu

    aysiu Android Expert
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    According to Dianne Hackborn, that doesn't do anything to improve battery life:
     
  5. blkbeltkid17

    blkbeltkid17 Android Expert
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    no it does not improve anything i know but what it does it keeps you battery monintering widgets nice and accurate so it will not report your battery drain wrong
     
  6. jkc120

    jkc120 Android Expert
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    This is just my 2nd discharge cycle on this Nexus, but I'm pretty impressed. This is with the extended battery and with 4G on the entire time (it was on 4G probably 95+ % of the time).

    Only a bit over 1.5 hours of on-screen time, but that's pretty typical of my post-honeymoon period usage. :)
     

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  7. mntbighker

    mntbighker Well-Known Member
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    I disabled calendar sync in my Exchange account and uncovered a glaringly obvious problem with ICS. My battery numbers have doubled, and the amount of green in the network active bar graph in battery is practically zero now. Prior to this change I would see a third to two thirds of the graph green and my battery was dead in 8 hours. Today I'm at 50% after 10 hours. So much for calendar reminders on my phone.
     
  8. blkbeltkid17

    blkbeltkid17 Android Expert
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    This is why I don't use exchange
     
  9. jbdan

    jbdan Extreme Android User
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    I've always believed the green was how strong your mobile/cell network connection is. Not activity. Are you sure it is activity?
     
  10. blkbeltkid17

    blkbeltkid17 Android Expert
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    Your right
     
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  11. adjuster11

    adjuster11 Well-Known Member
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    I had same issue, switched to touchdown. Yes, it's $20 bucks but exchange now works for me, with no excessive phone battery use.

    Radios also sketchy. I got much better signal on my old berry way out in the woods.




     
  12. blkbeltkid17

    blkbeltkid17 Android Expert
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    Sense I have gotten my zoom back my nexus battery life has gone up exponentially lol :D
     
  13. ANewDay

    ANewDay Well-Known Member
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    That is not so great. I get over 3 hours screen time with 4G on the stock battery.
     
  14. jkc120

    jkc120 Android Expert
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    Irrelevant. The battery life I get is good for me. And unless you live in the exact same place I do, with the same commute, same location in my building, etc, who are you to say it's "not so great"? :cool:

    I'm in a marginal signal area all day and night, so I'm sure my 4G battery drain is MUCH worse than yours. You can't compare one person's battery life to another's. There are just too many variables in play, such as their usage habits, screen brightness (or auto vs. no-auto), cell coverage, etc etc.
     
  15. blkbeltkid17

    blkbeltkid17 Android Expert
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    I am in a 4g area and my signal is at -110dbm and -120dbm is no signal so mine sucks and the battery drain is horrible but I still get better life on 4g then I do on wifi
     
  16. mntbighker

    mntbighker Well-Known Member
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    All I know is I see mostly gold on the days I get 14+ hours of battery. On the days I get 8 hours of battery the graph is mostly green. And turning on ANY kind of Exchange sync at any interval I get barely 9 hours battery and the graph is mostly green. Turning off Exchange the phone gets a chance to sleep and the graph is mostly gold.
     
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  17. blkbeltkid17

    blkbeltkid17 Android Expert
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    Is the gold on 3g? That would make the battery last that long on the standred battery
     
  18. mntbighker

    mntbighker Well-Known Member
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    The issue isn't 3/4G, the issue is Exchange keeping the phone from sleeping. I spend most of the day with barely any cellular signal at all and strong WiFi. The color of the graph in my case is solely determined by Exchange keeping the phone awake. I don't know why it happens that way but it is the behavior.
     
  19. streetfish

    streetfish Well-Known Member
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    I think the colors somehow correlate to 3g/4g and signal strength but im not sure how. green definitely does not mean 'active' I have lots of green and no activity at all in some spots. I think green may be 4g, gold 3g, and red no signal. The different shades might relate to the strength of the signal. the header says 'Mobile Network Signal' so it is signal related, but i just dont know how exactly.
     
  20. jkc120

    jkc120 Android Expert
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    I don't think green means 4G. I think the colors are purely based on signal level, because I was on 4G most of the day, but in a poor signal area in my building at work and it showed yellow/dark yellow not green.
     
  21. blkbeltkid17

    blkbeltkid17 Android Expert
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    Yeah it does I know mine is yellow when I am at home with barely any signal and when I am out and about it is green when I have a 4 bars of signal
     
  22. vasilator

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    Screen on for 1.5 is very little. Just for a comparison the I-phone 4s users were complaining about the battery draining with less than 4hrs. of screen time.

    Apples to Oranges I know but I just find it interesting hearing Android users take on what is and what isn't good battery usage.

    It's all over the map.
     
  23. mortist

    mortist Lurker
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    I believe I am having a similar issue- Sometimes my phone will easily pass 15-18+ hours, while others it seems to die within 10 with the same use.

    I show 2828 WakeLock alarms for com.google.android.email (sometimes this is not present)

    Using BetterBatteryStats I noticed this, however I'm uncertain how to continue:
     

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  24. aysiu

    aysiu Android Expert
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    I don't know why the forums limit the height of attachments to 280px, so I've rotated it sideways.

    I do okay. I use a Juice Defendery kind of Tasker profile.
     

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  25. blkbeltkid17

    blkbeltkid17 Android Expert
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    Humm I have that I was wondering if I should try it with the nexus ... what kinda of settings do you have on for it
     
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