Macbook Pro: "Power Source: Power Adapter"?

Discussion in 'MacBook Pro' started by jpg328, Oct 9, 2012.

  1. jpg328 macrumors newbie

    Oct 9, 2012
    This is what is says when it is 100% charged and I click on the battery icon. Does it mean that it is bypassing the battery and just running the machine on AC power, or is it still charging the battery? I just don't want the battery to get drained by leaving it plugged in.
  2. T5BRICK macrumors G3


    Aug 3, 2006
    Leaving your Mac plugged in while it is fully charged is fine. Just unplug it and run it off of the battery once or twice a month to keep it healthy.
  3. snaky69 macrumors 603

    Mar 14, 2008
    Computer batteries have had chips inside them to prevent overcharging for years, this myth really needs to die.

    Plug it in as long as you want to, you're not damaging anything.
  4. mrsir2009 macrumors 604


    Sep 17, 2009
    Melbourne, Australia
    Don't worry about it - The computer is designed to handle the battery charge level by itself :)
  5. jpg328 thread starter macrumors newbie

    Oct 9, 2012
  6. snaky69 macrumors 603

    Mar 14, 2008
  7. GGJstudios macrumors Westmere


    May 16, 2008
    It stops charging when the battery is full. It cannot overcharge. Run on battery whenever you need to and plug it in whenever you can. You can plug or unplug any time you need to, regardless of the charged percentage, and you never need to completely drain your battery. Just make sure you don't run on AC power exclusively, as your battery needs to be used regularly to stay healthy. The link below should answer most, if not all, of your battery/charging questions. If you haven't already done so, I highly recommend you take the time to read it.

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