he 60W MagSafe Power Adapter features a magnetic DC connector that ensures your power cable will disconnect if it experiences undue strain and helps prevent fraying or weakening of the cables over time. In addition, the magnetic DC helps guide the plug into the system for a quick and secure connection. Compatible with Macbook PRO 13 inch: MacBook Pro (13-inch, Mid 2012) MD101,MD102 MacBook Pro (13-inch, Late 2011) MD314,MD313 MacBook Pro (13-inch, Early 2011) MC724,MC700 MacBook Pro (13-inch, Mid 2010) MC374,MC375 MacBook (13-inch, Mid 2010) MC516 MacBook (13-inch, Late 2009)MC207 MacBook Pro (13-inch, Mid 2009) MB990,MB991 MacBook Pro (15-inch, 2.53GHz, Mid 2009)MC118 MacBook (13-inch, Mid 2009) MC240 MacBook (13-inch, Early 2009) MB881 MacBook (13-inch, Aluminum, Late 2008) MacBook (13-inch, Late 2008) MacBook (13-inch, Early 2008) MacBook (13-inch, Late 2007) MacBook (13-inch, Mid 2007) MacBook (13-inch, Late 2006)