Power: 85W, IN: AC 100-240V, 50-60Hz; OUT: DC 18.5V-4.6A; MagSafe2 (T-Tip) connector; Replacement charger AC adapter for Apple MacBook Pro 15 inch after 2012 with model: A1398, MacBook Pro 13 inch after 2012 with model: A1425, A1502; Replacement charger A1424 compatible with MacBook Pro 15 inch, MJ2C2, MJ2GA2, ME293, ME294, ME664, ME665, MC975, MC976, MacBook Pro 13 inch MD212, MD213, MD662, ME864, ME865, ME866, MGX72, MGX82, MGX92, MF839, MF840, MF841. The LED light indicates that your laptop is charging, while a green light indicates that you have a full charge. Replacement chargers made of the highest quality materials and include several smart functions that protect against IV - incorrect voltage, SC - short circuit, IO - internal overheating. It is held in place magnetically, so if someone were to trip over it, the cord disconnects harmlessly and your laptop remains safe. Power: 85W, IN: AC 100-240V, 50-60Hz; OUT: DC 18.5V-4.6A; MagSafe2 (T-Tip) connector; Replacement charger AC adapter for Apple MacBook Pro 15 inch after 2012 with model: A1398, MacBook Pro 13 inch after 2012 with model: A1425, A1502; Replacement charger A1424 compatible with MacBook Pro 15 inch, MJ2C2, MJ2GA2, ME293, ME294, ME664, ME665, MC975, MC976, MacBook Pro 13 inch MD212, MD213, MD662, ME864, ME865, ME866, MGX72, MGX82, MGX92, MF839, MF840, MF841. The LED light indicates that your laptop is charging, while a green light indicates that you have a full charge. Replacement chargers made of the highest quality materials and include several smart functions that protect against IV - incorrect voltage, SC - short circuit, IO - internal overheating. It is held in place magnetically, so if someone were to trip over it, the cord disconnects harmlessly and your laptop remains safe.