Input:100V-240V 50-60Hz
Output: 18.5V-4.6A 85W
Connector Size: Magsafe 2 
 
COMPATIBILITY
 
MacBook Pro (Retina, 15-inch, Mid 2012)
Model Number: A1398
Order Number: MC975LL/A, MC976LL/A or MD831LL/A
Model Identifier: MacBookPro10,1
EMC Number: 2512
 
MacBook Pro (Retina, 15-inch, Early 2013)
Model Number: A1398
Order Number: ME664LL/A, ME665LL/A or ME698LL/A
Model Identifier: MacBookPro10,1
EMC Number: 2673
MacBook Pro (Retina, 15-inch, Late 2013)
Model Number: A1398
Order Number: ME293LL/A, ME294LL/A or ME874LL/A
Model Identifier: MacBookPro11,2 or MacBookPro11,3
EMC Number: 2674 or 2745
MacBook Pro (Retina, 15-inch, Mid 2014)
Model Number: A1398
Order Number: MGXA2LL/A, MGXC2LL/A or MGXG2LL/A
Model Identifier: MacBookPro11,2 or MacBookPro11,3
EMC Number: 2876 or 2881
 
MacBook Pro (Retina, 15-inch, Mid 2015)
Model Number: A1398
Order Number: MJLQ2LL/A, MJLT2LL/A or MJLU2LL/A
Model Identifier: MacBookPro11,4 or MacBookPro11,5
EMC Number: 2909 or 2910