Is my battery dead?

Discussion in 'MacBook Pro' started by MIDI_EVIL, Jul 29, 2008.

  1. MIDI_EVIL macrumors 65816

    MIDI_EVIL

    Joined:
    Jan 23, 2006
    Location:
    UK
    #1
    I've got a problem with my PowerBook battery in which it gets to around 40 - 50% and shuts off. It doesn't go into sleep, but it shuts off completely.

    Is this a power management problem, or is it that the battery has reached it's demise?

    It's about 2.5 years old, and the PowerBook is 3.5 years old.

    Attached is a screen grab from Coconut Battery.

    Note that it says my battery is NOT charging, when it actually is...
     

    Attached Files:

  2. merl1n macrumors 65816

    merl1n

    Joined:
    Mar 30, 2008
    Location:
    New Jersey, USA
    #2

    Well your battery is showing its age but shouldn't be shutting off at 40 - 50%.

    I suggest you re-calibrate your battery following Apple's guidelines and also perform a PMU reset.
     

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