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ryanb914

macrumors member
Original poster
Jul 24, 2010
34
0
Hello I charge my MacBook Pro battery last night, while it was turned off, I woke up the next morning and the magsafe light was green. I turned the computer on and the battery said 99% and charged. Is this normal, is something wrong? PLEASE HELP
 

spinnerlys

Guest
Sep 7, 2008
14,328
7
forlod bygningen
It is normal and is done to prevent the battery from overcharging.


GGJstudios said:
Apple on notebook batteries
Apple Portable: Calibrating your computer's battery for best performance
Laptop Battery Guide

4561230714_d6e9a40397_o.jpg

 

lewis82

macrumors 68000
Aug 26, 2009
1,708
12
Totalitarian Republic of Northlandia
It's completely normal.

The battery starts charging only when it's at 94% or less, in order (I guess) to avoid putting excessive wear on the battery by constantly charging (as the battery self-discharges like all other batteries).
 
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