A connector and some T5 screws are all that stand between us and ultimate power—or at least the power source for the Air.

This battery is the exact same model as the one found in the Mid 2011 MacBook Air, so it comes as no surprise that the 13" model has the same 7 hour battery life as its predecessor.

We'll go ahead and answer the question before it's asked: yes, you can swap 2011 and 2012 batteries. We're not really sure why you would, though, considering they are exactly the same.