There HAS to be something WRONG! right?

Discussion in 'MacBook Pro' started by Tofaha, Sep 11, 2007.

  1. Tofaha macrumors 6502

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    MI
    #1
    something is wrong right??:mad:
     

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  2. FJ218700 macrumors 68000

    FJ218700

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    Blue Dot, Red State
  3. antibact1 macrumors 6502

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    Jun 1, 2006
    #4
    That's not what it should be. It's supposed to be 80% of original after 300 cycles. For all you people not so good with math, the capacity now should be 4400. The 814 value they have puts it around 15% of original.

    http://www.apple.com/batteries/notebooks.html
     
  4. Tofaha thread starter macrumors 6502

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    #5
  5. Luis macrumors 65816

    Luis

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    #6
    Have you tried calibrating the battery?

    I have around 216 cycles (on an 18 month old machine) and still retain about 80%
     
  6. ebel3003 macrumors 6502a

    ebel3003

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    Jun 20, 2007
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    #7
    Overcharging with the computer off supposedly contributes to this. If you keep your laptop on (even in sleep mode) it keeps the current moving through the battery, rather than gathering up. I've had my laptop for 9 months, I use it daily, and it retains a 95% charge.

    However, please correct me if I'm wrong about the battery.
     
  7. TimJim macrumors 6502a

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    May 15, 2007
    #8
    try the apple battery exchange if that doesnt work buy a new one.
     
  8. seanneko macrumors member

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    Sep 2, 2007
    #9
    Well, technically it says "up to" 80% capacity, which means that even 0% capacity is acceptable.
     
  9. gauchogolfer macrumors 603

    gauchogolfer

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    #10
    I have a powerbook with ~350 cycles on it, and still have ~80% of my original capacity. Have you tried recalibrating lately?
     
  10. D.G. macrumors member

    Joined:
    Oct 24, 2006
    #11
    If you start here: http://www.apple.com/support/exchange_repair/macbookpro.html

    I imagine the one one the left will apply (since you've ruled out the link on the right)

    From that:
    DG
     
  11. DoFoT9 macrumors P6

    DoFoT9

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    Singapore
    #12
    how much actual battery life do you get??? could most likely be an error. recalibrate the battery.
     
  12. tdhurst macrumors 68040

    tdhurst

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    Dec 27, 2003
    Location:
    Portland, OR
    #13
    Battery life

    Coconut battery says I'm at 90% after 439 load cycles.

    This is the battery that I received because of the recall, so it's about a year old.
     
  13. Tofaha thread starter macrumors 6502

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    Jun 18, 2007
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    MI
    #14
    last night i let the battery drain...then it went to sleep mode
    this morning i turned i plugged it back in and let it charge...thats recalibration right??

    here are the results:..so sad
     

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  14. DoFoT9 macrumors P6

    DoFoT9

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    #15
    wow tahts sad man. :( u poor fella i have a better life than that with both cores at 100% and dual screens

    recalibrating: http://docs.info.apple.com/article.html?artnum=86284
     

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  15. majordude macrumors 68020

    majordude

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    Hootersville
    #16
    Perfectly normal to have the results in the RED. :rolleyes:

    Common sense test... Q: What do you think?

    Sheesh!
     
  16. Tofaha thread starter macrumors 6502

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    MI
  17. bobcan macrumors 6502a

    bobcan

    Joined:
    Jan 8, 2007
    Location:
    Sunny but Cold.. Canada
    #18
    Cool..

    That's a Good Answer...

    My Oldest battery is 225+ cycles (1 1/2 yrs.) and near 90% (88-93 typically) today... I usually "sleep" my MBP and Kill and Calibrate it every 4-6 weeks if I can... Treats me pretty good so far...
     

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