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Old Nov 26, 2012, 01:58 AM   #1
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Join Date: Jun 2012
Sleep mode problem

Hello , i have a MBA 2012 11'' ... i don't know what has happened but the last month i have noticed that the battery drains when i but the MBA on sleep mode ( you know just close the screen). for example yesterday i closed it at 12 at night and today at 9 the battery from 100% was 95% ... that was not happening before ... if it was 100% it remained 100% ... do you know if any of the updates made that or if it is something from the settings?
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Old Nov 26, 2012, 05:16 AM   #2
macrumors 65816
Join Date: Jul 2011
As my 2011 MBA got older I started to notice a bigger drop off in battery charge. It would fall from 100% to 99% in just a few minutes. Before it would be stuck on 100% for quite some time.

The other thing is mine has always lost between 2 and 4% sleeping for say around a day. I think this is normal on battery. Your laptop is still partially active before it goes into deep sleep after about and hour or so.

Plus if you have any USB or thunderbolt devices plugged in, these drain the battery much faster when sleeping
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