Satisfication Guarantee: Our team of professionals is constantly working to make you happier. We provide technical support for customers 24/7. Safety Protection: This replacement Mac Air charger is made of druable flame retardant and waterproof materials and Designed with intelligent protection systems. Short Circuit Protection, Over Charge Protection, Temperature Protection, Fast Charging. Conform to UL/FCC/CE/RoHS standards. Easily Portable & Foldable Plug: Our charger is lighter and smaller than the original charger, and the plug can be folded 90°, you can even put the charger in the pocket of the clothes you wear with you and take it with you easily. Our charger will take less space of your bag, easy to portable and use. Use it with confidence anytime, anywhere!. Universal Compatibility: 85w power adapter replacement for Mac Book Pro 13 inch-15 inch: A1278,A1502,A1344,A1465,A1502,A1425,A1435,A1466,A1398,A1424,ME293, ME294, ME664, ME665, MC975, MC976, MD506, MJLU2, MJLT2, MGXC2, MGXA2. Compatible with Air 45/60/85W with T-Tip 5/8 in interface(11 inch -13 inch, Mid 2012 Early 2017).Knowing what specific laptop model you have is important.Please check out carefully Before Purchg. Voltage Input: AC 100-240V, 1.8a, 50-60Hz/output: 20V, 4.6a.Second generation of power adapter,Power.lt's in the Air ,The charger provides a fast and stable energy inflow. It also help maintain a healthy life cycle for batteries.