New Official 60W Magsafe charger for earlier Macbooks.

Compatibility 
Macbook Air (11", Late 2010)
Macbook Air (13", Late 2010)
Macbook Air (Mid 2009)
Macbook Air (11", Mid 2011)
Macbook Air (13", Mid 2011)
Macbook Air (Late 2008, NVIDIA)
Macbook Air, Original