Battery Problem

Discussion in 'MacBook Pro' started by slinky1, Oct 11, 2008.

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  1. slinky1, Oct 11, 2008

    slinky1 macrumors member

    Joined:
    Aug 8, 2008
    #1
    I have had my MBP 15.5" 2G for nearly a year.I work from home and use it every day.It is connected to a power supply all the time,including external hard drive, supply,as well as printer and audio speakers(they all have there own power supply.When i take my Mac out and use the batterie,it lasts about 30 minutes.Have i damaged the life of the batterie by having it connected to the power supply most of the time?
     
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  2. alphaod, Oct 11, 2008

    alphaod macrumors Core

    alphaod

    Joined:
    Feb 9, 2008
    Location:
    NYC
    #2
    You are suppose to power cycle the battery at least once per month…

    Well if you are within one year, you can probably get a replacement for free; if you are over year, you will need to buy a new battery; either way, start cycling it at least once per month.
     
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  3. marvel2, Oct 11, 2008

    marvel2 macrumors 6502

    Joined:
    Jun 27, 2007
    #3
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  4. CalBoy, Oct 11, 2008

    CalBoy macrumors 604

    CalBoy

    Joined:
    May 21, 2007
    #4
    Does the battery drain steadily (as in 3% for every minute) or does it suddenly go out on you while the percentage is still high (as in the computer shuts down at 70%)?

    Does it go through sudden free falls (as in drops from 50% to 20% within a minute)?

    All of these things may be different problems, and there is a problem some users have reported (including me) with mbps and 10.5.5 involving a sudden shutdown at a random percentage.

    Calibrate your battery first (the poster above provided the link) and see if the problem persists. If it does, it might be time for a new battery from Apple (because yours would be undoubtedly defective).
     
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