MBP acts like batteries are empty when meter reads 22%

Discussion in 'MacBook Pro' started by secretpact, Sep 29, 2008.

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  1. secretpact macrumors 6502

    May 24, 2007
    I was using my computer normally, unplugged. On the top menu bar, it reads 36 minutes left of battery life. A few seconds later, my Macbook Pro shuts off. I know the meter didn't run out yet, so I press the power button without plugging in the power adapter. It powers up for a few seconds and then shuts down again.
    I plug in the adapter and boot into OSX. The meter says that there is still 22% of my battery left. Very strange...

    Is there something wrong with my computer? Is the battery not calibrated correctly? Surely, it can't read 22% when it's actually 1%, could it?
  2. Nermal Moderator


    Staff Member

    Dec 7, 2002
    New Zealand
    Please see this thread. I replaced my battery and that solved the issue for me.
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