Givehooy 85W Charger is designed to be fully compatible for MacBook Pro 13 inches, 15 inches, and 17 inches Laptop models including A1424, A1278, A1502, A1344, A1465, A1502, A1425, A1435, A1466, A1398, ME293, ME294, ME664, ME665, MC975, MC976, MD506, MJLU2, MJLT2, MGXC2, MGXA2. Voltage Input: Givehooy 85W Charger has an input voltage of AC 100-240V, 1.8a, 50-60Hz and an output of 20V, 4.25a. It provides a fast and stable energy inflow and helps maintain a healthy battery life cycle.