Compatible with Apple power adapter part number: MacBook Pro - A1343 661-3994 , 611-0377 , 661-4259 , 661-3994 , 611-0463 661-4339 , 661-5036 , 661-4599 , 661-5474, PA-1850-3 A1172 , 661-4832 , MC556LL/B, MA357LL/A Compatible with MacBook Pro 15 inch model: - MacBook Pro (15-inch Early 2006) - MacBook Pro (15-inch Mid 2007) - MacBook Pro (15-inch Late 2007) - MacBook Pro (15-inch Early 2008) - MacBook Pro (15-inch Late 2008) - MacBook Pro (15-inch Early 2009) - MacBook Pro (15-inch Mid 2009) - MacBook Pro (15-inch Mid 2010) - MacBook Pro (15-inch Early 2011) - MacBook Pro (15-inch Late 2011) - MacBook Pro (15-inch Mid 2012) Compatible with MacBook Pro 17 inch model: - MacBook Pro (17-inch Early 2006) - MacBook Pro (17-inch Mid 2007) - MacBook Pro (17-inch Early 2008) - MacBook Pro (17-inch Late 2008) - MacBook Pro (17-inch Early 2009) - MacBook Pro (17-inch Mid 2009) - MacBook Pro (17-inch Mid 2010) - MacBook Pro (17-inch Early 2011)