Power: 85W, Input: AC 100-240V, 50-60Hz; Output: DC 18.5V-4.6A; Magsafe2 (T-tip) connector; Replacement charger for power adapter for Apple MacBook Pro 15 after 2012 with model: A1398MACBOOK PRO 13 after 2012 with model: A1425A1502; Replaces charging adapter A1424 which is incompatible with MacBook Pro 15 inch, MJ2C, 2mga, ME293, ME294, ME664, ME665, MC975, MC976MACBOOK PRO 13 inch MD212, MD213, MD662, MGX7, ME864, ME865, ME865MF839, MF840, MF841. An LED light provides feedback; An orange color indicates that your laptop is charging, while a green color indicates that it is fully charged. The replacement charger is made of the highest quality materials and has several smart features that protect against IV - incorrect voltage, SC - short circuit, IO - internal overheating. It is held in place magnetically, so if someone trips over it, the cord disconnects safely and your laptop remains safe.