Specifications: 100% Brand New and High Quality Input: AC 100-240V,1.5A 50-60Hz Output: DC 16.5V-3.65A USB: 5V-2.1A Capacity: 60w Connector:5 pin "L" Shape tip Color:White Compatible Part Numbers: A1181, A1184, A1244, A1278,A1330,MA538LL/A, 661-0443, 661-4269, 661-4485, 661-4259, 661-4339 http://www.dsmar.com