Your New Notebook
Be sure to fully charge your portable when you plug it in for the first time, and then run Software Update to ensure you have the latest software. Apple periodically releases updates that may improve battery performance.
Apple recommends charging and discharging its battery at least once per month.
That's what I said:yea but you can still use it while it charges. ....
Just start using it while it charges. You don't need to wait until it's fully charged to start using it. ...