Mac Book Air Charger Power: Input: 100-240V 50/60 Hz Output: 14.85V 3.05A (45W T-Tip).Knowing what specific Mac model you have is important.Please check out carefully Before Purchasing. Compatible models: Mac Air Charger for Macbook air Part Number:A1465 A1466; Mac Book Air (13-inch, Mid 2012); Mac Book Air (11-inch, Mid 2012); Mac Book Air (13-inch, Mid 2013); Mac Book Air (11-inch, Mid 2013); Mac Book Air (13-inch, Early 2014); Mac Book Air (11-inch, Early 2014); Mac Book Air (13-inch, Early 2015); Mac Book Air (11-inch, Early 2015); Mac Book Air (13-inch, 2017) Safety quality: With built-in safeguards to protect against short circuiting,overcharging, overheating and auto recovery, CE/FCC certified. LED Indicator: 2T-TIP magnetic connector helps guide the plug into the system for a quick and secure connection. An amber light lets you know that your notebook is charging, while a green light tells you that you have full charge. Features Magnetic DC Connector:The mag