battery life a good bit less in lion

Discussion in 'Mac OS X Lion (10.7)' started by adamtj11, Feb 27, 2011.

  1. macrumors 6502

    Joined:
    Feb 26, 2011
    Location:
    Belfast
    #1
    just noticed with 57% battery left, I'm only getting 2.30 hours, on snow leopard i'd probably be getting 4 or 5 hours
     
  2. Moderator emeritus

    Hellhammer

    Joined:
    Dec 10, 2008
    Location:
    Finland
    #2
    What is your CPU usage? If you just installed it, Spotlight might still be indexing. You should also calibrate the battery to get more accurate figures.
     
  3. thread starter macrumors 6502

    Joined:
    Feb 26, 2011
    Location:
    Belfast
    #3
    Don't think it is indexing , i installed fresh so there would be little for it to index lol nothing major on the cpu either
     

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  4. Moderator emeritus

    Hellhammer

    Joined:
    Dec 10, 2008
    Location:
    Finland
    #4
    You must select "All Processes" instead of "My Processes".
     
  5. thread starter macrumors 6502

    Joined:
    Feb 26, 2011
    Location:
    Belfast
    #5
    oh sorry bout that, theres all processes
     

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  6. macrumors 6502a

    poobear

    Joined:
    Nov 20, 2009
    #6
    This is a freaking alpha build. For example, I've noticed myself that sometimes Safari and its new sibling Safari Web Content uses up 90% cpu for no reason, which eats up a lot of battery time.
     
  7. Moderator

    maflynn

    Staff Member

    Joined:
    May 3, 2009
    Location:
    Boston
    #7
    You do realize that 10.7 is a developer's preview and you cannot start taking battery measurements. Its not even at the beta stage yet.
     
  8. thread starter macrumors 6502

    Joined:
    Feb 26, 2011
    Location:
    Belfast
    #8
    i actually think I'm getting roughly the same battery though, for example it says I've an hour eft when I've 30 percent battery, anyway alpha or not I'm gonna stick to lion as my main os until such time that theres a major reason why i can't run beta software
     
  9. macrumors newbie

    Joined:
    Oct 27, 2008
    Location:
    Accra, Ghana
    #9
    Same (Predicted) Issue.

    Ever since switching over to Lion, I've experienced this issue that I can't say I didn't see coming: My battery life has reduced. In fact, with Snow Leopard, my Mac (April 2010 Edition) would switch through the 2 Graphics Cards when necessary. With Lion, I get the same battery life I got with Snow Leopard when I chose to only use the Discrete (High Power) Graphics Card. It's at most half, if not less than the 6 to 12 hours I was getting before.

    Basically, even though Lion is in Alpha, I don't think this is something that will be bettered in the final release. I just hope the 9 hours stated for the 2011 MacBook Pros are with Lion, and not Snow Leopard, because I'm thinking of getting that as well.

    [The article I wrote when the Mac App Store came out is here: http://karan301.tumblr.com/post/2639357165/implication-of-the-mac-app-store].

    --

    Apple MacBook Pro 17" - Intel Core i7 620M 2.6 GHz - 8 GB RAM - 1 TB HDD
     
  10. macrumors G3

    roadbloc

    Joined:
    Aug 24, 2009
    Location:
    UK
    #10
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    v

     
  11. macrumors 6502a

    itickings

    Joined:
    Apr 14, 2007
    #11
    Well, I don't find anything wrong at all with doing battery measurements on a developer's preview. Seriously. I would however only care about the result if it did show significantly increased battery life. That would have been interesting and noteworthy!

    But decreased? Not so much. I'd just assume it will be fixed and check again when it's nearing release.
     
  12. macrumors 601

    Mr. Retrofire

    Joined:
    Mar 2, 2010
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    #12
    Really? So you are a hardware engineer, who works for Apple Inc.?
     
  13. macrumors 601

    Mr. Retrofire

    Joined:
    Mar 2, 2010
    Location:
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    #13
    +1

    It is a "d", not a "b".
     
  14. macrumors 601

    vincenz

    Joined:
    Oct 20, 2008
    #14
    It'll probably be fixed once the final one is released. Apple would never release something that degrades battery usage by half.
     
  15. macrumors 6502a

    itickings

    Joined:
    Apr 14, 2007
    #15
    Just out of curiosity - Did you completely ignore the rest of my post (the part you didn't quote) or did you just deliberately try to miss my point?
     

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