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  1. #1
    Macbook Pro 13" Battery question

    Member Since
    Mar 02, 2010
    Posts
    40
    Macbook Pro 13" Battery question
    Hi

    I have a 2.26 13" mbp running 10.6.4

    I am in the tropics and my battery seems to be holding about half the charge it used to. The battery has 176 cycles on it.

    My question thou, is that the full charge capacity (in about this mac) is 5309 yet my charge remaining is 1767. Does this mean my battery is only holding 30% of its charge ? What do those numbers mean exactly ??

    thanks

  2. #2
    Macbook Pro 13" Battery question
    Tarek's Avatar
    Member Since
    Sep 18, 2008
    Location
    Cairo, Egypt
    Posts
    784
    Specs:
    15" MacBook Pro 2.4 GHz Intel Core i5
    You answered your own question. It means a new, fresh battery holds 5309 while yours is holding only 1767. Meaning you're in need of a new battery.

    I'm facing the exact same problem with my MacBook Pro, and I'll be replacing the battery as soon as I get the money.

  3. #3
    Macbook Pro 13" Battery question

    Member Since
    Mar 02, 2010
    Posts
    40
    Can charge remaining go up, or does it only go down ? And is charge remaining 1767 normal for a battery with only 176 cycles on it ?

  4. #4
    Macbook Pro 13" Battery question
    Tarek's Avatar
    Member Since
    Sep 18, 2008
    Location
    Cairo, Egypt
    Posts
    784
    Specs:
    15" MacBook Pro 2.4 GHz Intel Core i5
    No, the cycles do not go up. As for whether it is normal, I'm not sure, sorry.

  5. #5
    Macbook Pro 13" Battery question
    pigoo3's Avatar
    Member Since
    May 20, 2008
    Location
    U.S.
    Posts
    31,499
    Specs:
    2011 13" MBP 2.3ghz, 8gig ram, OS 10.7.5
    Yes the charge "cycles" do go up. If the OP's battery is currently on charge cycle 176...then eventually it will go to charge cycle 177, 178, 179, etc.

    "selloutt": As far as "charge remaining going up". If your battery is supposed to hold 5309mAh when it is brand new & 100% charge...and it currently gets 1767mAh...you didn't tell us if 1767mAh is what you're getting on a full charge currently.

    If 1767mAh is what you're getting currently with a 100% charge...then no..."charge remaining will not (or should not) go up. When a battery gets older...the maximum charge (mAh) starts to go down. So 1767/5309 = 33.3% "battery life" remaining.

    Now if I'm not mistaken...your Macbook Pro has the non-user replaceable battery...is this correct? If so...these batteries are supposed to last a lot longer than the older "user-replaceable" batteries.

    The older style user-replaceable batteries are supposed to get around 300 charge cycles...the newer non-user replaceable batteries are supposed to get close to 1000 charge cycles:

    Apple - Batteries - Notebooks

    If you're only on charge cycle 176 on a non-user replaceable battery which should get close to 1000 charge cycles...and your maximum charge currently is only 1767 out of 5309...then I would say there's a problem with your battery...and you should contact Apple about it.

    Hope this helps,

    - 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

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