Input: AC 100-240V 1.5A 50-60Hz
Output: DC 20V- 4.25A.
Fully Compatible: designed to match your Macbook Pro 13 inches 15 inches and 17 inches Laptop A1278 A1502 A1344 A1465 A1502 A1425 A1435 A1466 A1398 A1424 ME293 ME294 ME664 ME665 MC975 MC976 MD506 MJLU2 MJLT2 MGXC2 MGXA2.
Note: This is the second generation of Magnetic power adapter(T-Shape) not the first generation. Macbook Pro charger design with LED light provides charging status(Red-Charging Green-fully charged). Built-in IC chip technology provides overload / short circuit protection / overload protection / heat protection. We test each charger to ensure a tight strong magnetic connection. The Magnetic DC connector makes it easy to disconnect the cord harmlessly and your MacBook Pro stays put safely. It also helps prevent fraying or weakening of the cables over time.