Apple MacBook chargers
Listed below are the Magsafe and Magsafe 2 chargers, the 7 main models of power adapters are listed. Simply select the power you need and also if it is Magsafe or Magsafe2 (latest models of Apple).
 
So for MacBook Air it’s the 45w Magsafe charger and if you have the new MacBook air with a Magsafe 2 port its the MacBook Air 45w Magsafe 2 charger.
If you have a MacBook or MacBook Pro 13 inch model, it’s the MacBook 60w charger, if you have the new MacBook Pro 13 inch model with Retina display, then you need the MacBook 60w Magsafe 2 charger.
If you have the 15 inch or 17 inch MacBook Pro then you need the MacBook Pro 85w Magsafe charger, but if you have the new MacBook Pro with Retina display then you need the MacBook Pro 85w Magsafe 2 charger

If you would like to view your charger by Apple part number, screen size or MacBook name and date then these can be viewed in depth at Apple MacBook power adapters.