I have not charged my new iPad since its first charge. I am not sure if this is true for all iPads...
Please see the link below:
New iPad continues charging beyond 100%
http://www.slashgear.com/new-ipad-continues-charging-beyond-100-23219783/
Please see the link below:
New iPad continues charging beyond 100%
http://www.slashgear.com/new-ipad-continues-charging-beyond-100-23219783/