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  1. #1
    Battery down fast

    Member Since
    Jul 20, 2004
    Posts
    56
    Specs:
    15" Macbook Pro 2.2Ghz 2GB
    Battery down fast
    Hello, I just purchased a Powerbook 15" g4 from apple.com, I have had it for about a month and I love it but the batterly life is really pathetic I will be just browsing the net after 5 minutes 5 percent of the battery will go down. I get about an hour to hout and a half does everyone else get the same? I thought it gets like 3.5-4 but maybe i read somewhere wrong.

    Thanks, MacMyK

  2. #2
    tariq
    Guest
    Thats way too little, usually 2.5hrs is the minimum with constant heavy usage.

    Try...

    * Recalibrating your battery (use laptop past low battery warning, until it goes to sleep itself)

    * In Terminal, type: ioreg -l | grep -i IOBatteryInfo
    What does it return?

    And to conserve and get the most battery life during use...

    * Turn off BlueTooth
    * Turn off Wifi (if not needed)
    * Lower brightness to 4-5 bars
    * Mute volume (if not needed)
    * Lower hard disk spin down time (using APM Tuner X or Cocktail)

    If all of that fails to help, talk to Apple since it might be a bad battery.

  3. #3
    Battery down fast

    Member Since
    Jul 20, 2004
    Posts
    56
    Specs:
    15" Macbook Pro 2.2Ghz 2GB
    Capacity"=4400,"Amperage"=1521

  4. #4
    tariq
    Guest
    I get 4501 and 1200 so that sounds about right.

  5. #5
    Battery down fast
    hype.it's Avatar
    Member Since
    Mar 27, 2004
    Location
    China
    Posts
    738
    Specs:
    Dual 2.2GHz powered by AMD Opteron - *Sends G5 & 8Gb Ram to scrap heap* Yeah! finally switched BACK!
    I just carry a spare Battery. You have about 30 - 60 secs (depends on the amount of memory you have installed) to change the Battery while it's sleeping. After, you just wake the system and back to work.

  6. #6
    Battery down fast
    red milk's Avatar
    Member Since
    Jan 06, 2005
    Posts
    108
    Specs:
    1.5 GHz Pb G4 2 GB, imac 2.4 GHz 2 GB, iphone 16 GB
    Quote Originally Posted by tariq
    * In Terminal, type: ioreg -l | grep -i IOBatteryInfo
    What does it return?
    i got: "Capacity"=4035,"Amperage"=1233 (i just unplugged it from charging, 56% charged)

    with time the amperage was rising, obviously.

    it tells me absolutely nothing. care to help?

  7. #7
    SamR
    Guest
    I never get any more than 1.5hrs w/ 4bars of brightness, bluetooth off, wifi off, and only running 2 programs.

  8. #8
    tariq
    Guest
    red milk, from those numbers you can see that your capacity is low when compared to a new battery which has a capacity of 4400-4500. (as the battery ages with use, it can't hold as much charge)

    since my post in August of this past year, my capacity has dropped to 4340 from 4501

    SamR, how old is your laptop?

  9. #9
    General_K
    Guest
    Mine came back with 4651 and 1127. 3 months old.

  10. #10
    SamR
    Guest
    mine is just 5months

  11. #11
    SamR
    Guest
    Just checked, capacity = 2099 Amperage = 1797

  12. #12
    tariq
    Guest
    That explains your 2hr battery life, battery only has half the original capacity :/

  13. #13
    Battery down fast
    red milk's Avatar
    Member Since
    Jan 06, 2005
    Posts
    108
    Specs:
    1.5 GHz Pb G4 2 GB, imac 2.4 GHz 2 GB, iphone 16 GB
    so me and SamR are both screwed! nice.
    could it be that the battery ages that much faster cuz of extensive airport use?

  14. #14
    Battery down fast
    red milk's Avatar
    Member Since
    Jan 06, 2005
    Posts
    108
    Specs:
    1.5 GHz Pb G4 2 GB, imac 2.4 GHz 2 GB, iphone 16 GB
    wait... i see he's got a much lower number now... so how does that explain my battery running for just as little time then? >_<

  15. #15
    SamR
    Guest
    Well my computer's going to the Apple store (for the 5th time in 5 months, i should get a prize) They were supposed to fix my short battery life when the motherboard was replaced (for the second time) so this proves it still sucks, luckily it's still under warranty.

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