Battery on MBA

[iNeedToDoHw]

It says that my battery is at 99% even when i'm plugged in for a long time. It doesn't go 100. Does anyone else have this problem?

 

[miles01110]

It is not a problem, it is normal. Search next time and you would have found any number of threads already explaining this.

 

[ZBoater]

It says that my battery is at 99% even when i'm plugged in for a long time. It doesn't go 100. Does anyone else have this problem?

Yes. It is normal.

http://support.apple.com/kb/ts1909

 

[GGJstudios]

It says that my battery is at 99% even when i'm plugged in for a long time. It doesn't go 100. Does anyone else have this problem?

Read the "CHARGING" section in the link below. This should answer most, if not all, of your battery questions:

Apple Notebook Battery FAQ​