Battery Life and an External Monitor

Discussion in 'MacBook Air' started by mrogersscf, Jun 19, 2012.

  1. mrogersscf macrumors member

    Feb 22, 2012
    I am a bit confused. I *think* this is telling me I shouldn't leave my MacBook Air plugged in for the sake of battery life:

    However, if I want to utilize an external monitor with the laptop closed I need to keep the laptop plugged in. Am I missing something? Will I harm my battery keeping the laptop plugged in all the time while using my external monitor?
  2. aleni macrumors 68020

    Jun 2, 2006
    it's fine, but make sure whenever you don't use external monitor, you just use the battery, and once a month calibrate the battery.
  3. GGJstudios macrumors Westmere


    May 16, 2008
    That's correct:
    Just unplug every few days and run on battery for a while. Read the AC POWER section of the following link.
    The built-in batteries in the newer Mac unibody notebooks come pre-calibrated and do not require regular calibration like the removable batteries.

    This should answer most, if not all, of your battery questions:

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