【 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.This charger is not compatible with Mac Book Air/Pro laptops produced after 2018.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 magnetic DC connector makes it easy to disconnect harmlessly the cord if someone should trip over it,your Mac Book Air stays put safely,and also helps prevent fraying or weakening of the cables over time. Replacement Mac Book Air Charger 45W T-Tip AC Shape Connector Power Adapter Charger for Mac Book Air 11 inch and 13 inch After Mid 2012