9 to 5 Mac
by Seth Weintraub
Another little addition to the New MacBook Pros is that they’ll charge an iPad as quickly as the wall charger. The previous MacBook Pros, as evidenced by this page on Ars, shows 500mA as available with another 500mA “Extra Operating Current”
The new MacBookPros show this:
That combined 2100 mA of power is about the same as the wall power adapter for the iPad.