battery issues? 2011 MBA

Discussion in 'OS X Mountain Lion (10.8)' started by turbotoes, Jul 15, 2012.

  1. turbotoes macrumors regular

    Nov 24, 2010
    I've noticed since installing the GM that the battery seems not to last as long on my 2011 MBA, I'm getting the feeling the indicator is way out or it is using more juice.
    For example at yesterday I stopped using the air at 11 AM, indicator showed 70%, I did what I normally do, closed lid, put it in its rack and got on with other stuff. I've just opened it up and have an indicated 52% battery remaining……… normally it loses about 2% in 24 hours of standby, not 18%!!
    I have changed no settings from the last seed and have checked that power nap is still set to OFF.

    I just wondered if anyone had had issues with the GM?

    According to system report this is the condition of my battery:

    Charge Remaining (mAh): 3173
    Fully Charged: No
    Charging: No
    Full Charge Capacity (mAh): 6388
    Health Information:
    Cycle Count: 127
    Condition: Normal
    Battery Installed: Yes
    Amperage (mA): -1184
    Voltage (mV): 7557
  2. GGJstudios macrumors Westmere


    May 16, 2008
    It's possible your Mac didn't say in sleep mode the whole time. For sleep issues, you may find some useful ideas here:

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

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