Note: This is MagSafe 1, not 2 or 3. Make sure your Macbook works! I posted a photo of it with my 2011 Macbook Pro in the images to prove it works :) 

60w magsafe power adapter a1344; Compatible with:

Ma Book Pro (13-inch, Mid 2012), Mac book Pro (13-inch, Late 2011), Mac Pro (13-inch, Early 2011),

Mac Pro (13-inch, Mid 2010), Mac (13-inch, Mid 2010), Mac (13-inch, Late 2009). 

Part Number: A1344, A1330, A1342, A1278, A1185, A1184, A1181