INPUT: AC 100-240V, 50-60Hz; OUTPUT: DC 18.5V-4.6A,second generation T-tip connector; | Replacement for Mac Book Pro 15" After 2012 with model :A1398;Mac Book Pro 13" after 2012 with model: A1425, A1502, A1435, A1465; | Compatible with Mac Book Pro (15 inch,Mid 2015): MJLU2,MJLT2; Mac Book Pro (15 inch,Mid 2014): MGXC2,MGXA2; Mac Book Pro (15 inch,2013): ME293,ME294,ME664,ME665; Mac Book Pro (15 inch,Mid 2012): MC975,MC976; Mac Book Pro (13 inch,Early 2015): MF839,MF840,MF841,MF843; Mac Book Pro (13 inch,Mid 2014): MGX72,MGX82, MGX92; Mac Book Pro (13 inch,2013): ME864,ME865,ME866,MD212,ME662; Mac Book Pro (13 inch,Late 2012): MD212,MD213 | Safety guarantee: our products adopt new technology, which can effectively prevent excessive overheating current of the products, and provide guarantee for your safety. The indicator light can let you know whether it is fully charged. The product is small in size, and you can put it in your pocket for your use at any time. | Our customer service is online all day, if you have any questions, you can contact us at any time, we will solve it for you in the first time, the product has a one-year warranty, and we are happy to solve the problem for you.Note: Amazon's return window will be closed in one month, don't worry, you can click the seller's store on the right "Ask".