What is the single biggest battery drainer in the iPhone 5?

Discussion in 'iPhone' started by 50548, Nov 25, 2012.

  1. Guest

    Joined:
    Apr 17, 2005
    Location:
    Currently in Switzerland
    #1
    I've just got a brand new iPhone 5 (my first), after years and years using a crappy Motorola RAZR - I am thoroughly enjoying it, of course, and haven't encountered any problems so far.

    Battery life seems in line with Apple's estimates, although I am still testing it. So my question is: WHAT is the biggest battery drainer in the iPhone 5?

    My impression so far is that the biggest drainer would be Location Services, followed perhaps by the 3G cellular option. I can only get some three or four days of standby/light usage when these options are used.

    What is your opinion on this? Any additional tips?
     
  2. macrumors 68030

    tymaster50

    Joined:
    Oct 3, 2012
    Location:
    New Jersey
    #2
    the screen
     
  3. M-5
    macrumors 6502a

    M-5

    Joined:
    Jan 4, 2008
    #3
    My battery seems to drain considerably faster while on Bluetooth, so that's my guess.
     
  4. macrumors 6502a

    Joined:
    Dec 30, 2007
    Location:
    Florida
    #4
    Taking lots of pictures eats up battery pretty fast. As does a lot of 4g/LTE downloading/intensive surfing. Of course games do too.
     
  5. macrumors 601

    PNutts

    Joined:
    Jul 24, 2008
    Location:
    Pacific Northwest, US
    #5
    Having everything turned on. ;) Poor cellular signal, GPS, Bluetooth, screen (especially playing games or CPU intensive activities). Glad you are happy with the battery life!
     
  6. thread starter Guest

    Joined:
    Apr 17, 2005
    Location:
    Currently in Switzerland
    #6
    Let me quaiify my question a little better: I am not worried about app usage draining battery, I just wanted to know what kind of "active" or "permanent" setting leads to more battery drain, such as 3G data, Bluetooth, Brightness, Location Services etc.

    My initial feeling was that Location Services is the main culprit when it's always on (because of its use in background processes)...what do you think?
     
  7. macrumors 6502

    dialed1

    Joined:
    Dec 21, 2008
    Location:
    Utah
    #7
    Video I would guess
     
  8. macrumors 6502a

    Prime85

    Joined:
    Mar 1, 2012
    #8
    I agree that it would be location services since that will constantly turn on and off the GPS. Don't forget about the hidden location services settings as well. Also having bad signal can be a major drain on the battery, but for me the iPhone 5 seems to have the best battery out of any smartphone I have owned and that includes the older iPhones. For everyone else I believe he means when the phone is not in use and on standby so that means screen is off and no videos and apps are up.
     
  9. macrumors regular

    Joined:
    Mar 26, 2011
    #9
    screen brightness for me
     
  10. macrumors 68020

    pgiguere1

    Joined:
    May 28, 2009
    Location:
    Montreal, Canada
    #10
    1. CPU/GPU at full load. Don't play 3D games or use Maps navigation if you need your battery to last.
    2. Cellular radio. If you are making a call or downloading while you have bad reception, this will drain your battery super fast.
    3. Screen. Your brightness has a large influence on how fast your battery drains.

    If your battery is about to die and your need your phone to last a little longer, go into Airplane mode (until you need to make a call), don't open any game or 3D app and put your screen brightness at a very low setting.
     
  11. macrumors 68000

    Joined:
    Feb 22, 2009
    #11
    Having Cellular Data on when I don't need it, as well as the screen brightness over 50% seems to drain my battery much faster. YMMV
     
  12. macrumors demi-god

    iPhone1

    Joined:
    Apr 2, 2010
    Location:
    San Diego, CA
    #12
    LTE and high brightness.
     
  13. macrumors 68030

    tymaster50

    Joined:
    Oct 3, 2012
    Location:
    New Jersey
    #13
    just having the celluar radio active drains battery, especially if it's below 3 bars, 3G drains faster than LTE somehow and you can't turn 3G off. Screen brightness, bluetooth/wifi etc... all the usual stuff
     
  14. thread starter Guest

    Joined:
    Apr 17, 2005
    Location:
    Currently in Switzerland
    #14
    Thanks for the answers - my point was exactly as said above: what kind of options drain the battery more quickly when the iPhone is NOT being used (i.e., just sitting around)...I still have the impression Location Services followed by 3G are the worst factors.

    What about Siri (I've never used it) - does it drain battery even when inactive?
     

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