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  1. #1
    Battery question

    Member Since
    May 31, 2009
    Location
    Kansas City
    Posts
    17
    Specs:
    Aluminum Macbook 13.3 inch
    Battery question
    Is it bad to keep my macbook pro plugged in all the time?

  2. #2
    Battery question
    xxcontender's Avatar
    Member Since
    Oct 18, 2009
    Location
    CSUN
    Posts
    9
    Specs:
    MBP 13" | 250 GB ATA Drive | 2.26 GHz Intel Core 2 Duo | 4 GB 1067 MHz DDR3 | OS X 10.6.1
    Apple suggests that you charge ur Macbook Pro when you need to... something about keeping the electrons flowing continously.

    Apple - Batteries - Notebooks

  3. #3
    Battery question
    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
    Posts
    45,216
    Specs:
    27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, iPhone 6+, 3 iPods, Yosemite
    My MacBook is used primarily as a desktop machine, however, I discharge and recharge it once a month. As the Apple article says, keep the electrons flowing. I have an older Toshiba notebook that I purchased in 2003. The battery is still the original and can go about an hour and half. Pretty good for an old battery.

    Regards.

  4. #4
    Battery question

    Member Since
    Aug 28, 2009
    Posts
    147
    Quote Originally Posted by grantdalbey View Post
    Is it bad to keep my macbook pro plugged in all the time?
    It's not "bad".
    The built-in charging circuitry will keep from over-charging the batteries.
    The new Lithium based batteries are not like the old NiCads - they don't get memories.
    But, they do fail - a lot. If you are always plugged in, you won't know you have a bad battery until you need it.
    If you want, you could remove the battery completely and run off the AC adapter. Some people do that after their battery is so fried, it hogs all the power from the AC adapter and makes the laptop hot.

  5. #5
    Battery question
    Dysfunction's Avatar
    Member Since
    Mar 17, 2008
    Location
    Tucson, AZ
    Posts
    6,821
    Specs:
    Way... way too many specs to list.
    Quote Originally Posted by ticedoff8 View Post
    It's not "bad".
    The built-in charging circuitry will keep from over-charging the batteries.
    The new Lithium based batteries are not like the old NiCads - they don't get memories.
    But, they do fail - a lot. If you are always plugged in, you won't know you have a bad battery until you need it.
    If you want, you could remove the battery completely and run off the AC adapter. Some people do that after their battery is so fried, it hogs all the power from the AC adapter and makes the laptop hot.
    LiON or not, never cycling a battery is not beneficial to the batteries over all life. See the aforementioned link to Apples statement for more information.
    mike
    This machine kills fascists
    Got # ? phear the command line!

  6. #6
    Battery question

    Member Since
    May 15, 2008
    Location
    Cape Cod
    Posts
    112
    Specs:
    2006 macbook, 2009 mac mini
    Just cycle it once a month. That way you will have a good battery for a long time if your needs change and you need to run on battery power.

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