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  1. #1


    Member Since
    Dec 11, 2008
    Location
    New york
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    529
    when to change battery on Macbook Pro?
    4-5 year old machine battery is giving 2-2 and 1/2 hours or so under constant use and over 5 hours idle, the owner says she used to get more than the 2-1/2 hours when bought brand new and wonder if she should replace the battery?

    oh, these are the battery specs:

    Charge info:
    charge remaining 2723
    fully charged NO
    Charging NO
    Full Charge Capacity 3831

    Health Info:
    Cycle Count 739
    Condition Service Battery

  2. #2

    pigoo3's Avatar
    Member Since
    May 20, 2008
    Location
    U.S.
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    33,286
    Specs:
    2011 13" MBP 2.3ghz, 8gig ram, OS 10.8.5
    Quote Originally Posted by mikehende View Post
    4-5 year old machine battery is giving 2-2 and 1/2 hours or so under constant use and over 5 hours idle, the owner says she used to get more than the 2-1/2 hours when bought brand new and wonder if she should replace the battery?
    With my personal needs...still getting 2.5 hours on a full charge would be fine with me. But everybody's needs are different.

    This is the basis for when a battery needs to be replaced. When the total runtime on a full charge does not meet the needs of the owner.

    - Nick
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

  3. #3


    Member Since
    Dec 11, 2008
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    Agreed, thanks!

  4. #4

    osxx's Avatar
    Member Since
    Jan 19, 2008
    Location
    houston texas
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    4,695
    Specs:
    09 MBP 8GB ram 500GB HD OS 10.9 32B iPad 4 32GB iPhone 5 iOs7 2TB TC Apple TV3
    What Nick said plus I occasionally look at the condition of the battery in About This Mac under Health In System Info.

  5. #5


    Member Since
    Dec 11, 2008
    Location
    New york
    Posts
    529
    well this shows "service battery", how in world do you service a battery?

  6. #6

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    21,184
    Specs:
    27" 5K iMac, 3.3GHz, 256GB Flash Storge, 16GB memory and OS X.11.3.
    Download CocunutBattery and run that to gauge the health of your battery:-

    coconutBattery 2.8 - by coconut-flavour.com
    Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!

  7. #7


    Member Since
    Dec 11, 2008
    Location
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    cool, thanks!

  8. #8


    Member Since
    Oct 08, 2013
    Posts
    90
    Quote Originally Posted by mikehende View Post
    4-5 year old machine battery is giving 2-2 and 1/2 hours or so under constant use and over 5 hours idle, the owner says she used to get more than the 2-1/2 hours when bought brand new and wonder if she should replace the battery?

    oh, these are the battery specs:

    Charge info:
    charge remaining 2723
    fully charged NO
    Charging NO
    Full Charge Capacity 3831

    Health Info:
    Cycle Count 739
    Condition Service Battery
    1. expected battery life on a Lion or Lipo is ~500 cycles... you've done well!
    2. if it says "service battery", it's time
    3. you need a triwing screwdriver for most of the unibody macbook pros'
    4. make sure you buy an original replacement (OEM) , NOT a knock off... there are only a couple vendors selling real apple batteries online.. amazon is a good start, but check the reputation & feedback to know for sure!!
    if it's an older macbook pro (pre-unibody---ie 2006-2008) you're going to have trouble finding a good battery anywhere....

  9. #9


    Member Since
    Apr 24, 2009
    Location
    UK
    Posts
    717
    Specs:
    MacBook Pro 15" 2.8 GHz
    Quote Originally Posted by VAMountaineer View Post
    if it's an older macbook pro (pre-unibody---ie 2006-2008) you're going to have trouble finding a good battery anywhere....
    Apple still sell these, even for vintage 2006/7 models, as the same battery is used in supported 2008 models. Once the 2008 models are vintage, then no more from Apple. UK price 101.00, an expensive outlay if a vintage model with minimal value, especially if the original still has useable life.
    Steve
    UK

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