60W Power Adapter.Input:100 - 240V,50-60H Output:16.5V 3.65A Mac book Pro Charger features a Built-in heat sink dissipates heat to keep the charger from overheating and macBook pro laptop charger runs safe and cold during the entire charging cycle. Replacement chargers manufactured with the highest quality materials and include multiple smart features safeguarding against over current, over voltage, over load, short-circuit protection and auto recovery.Mac Book Air Charger Fully compatible with Mac Book Pro (Retina, 13-inch, Early 2015); Mac Book Pro (Retina, 13-inch, Mid 2014); Mac Book Pro (Retina, 13-inch, Late 2013); Mac Book Pro (Retina, 13-inch, Early 2013); Mac Book Pro (Retina, 13-inch, Late 2012);Mac Book Air after Late 2012 Part Number: A1435, A1465, A1502, A1425. Universal Wattage Charger:Our 60W charger fully Compatible with mac book pro retina 13-inch and mac Book air after Late 2012, including models that come with 60W and 45W.The laptop will only draw the wattage needed and will not damage the laptop. If you have multiple laptop, this is the perfect interchangeable charger. Mac Book Pro Charger,60W T-Tip Replacement for Mac Book Pro 13-Inch 2012-2015 Retina Display AC 60W T Connector Power Adapter,Laptop Charger Compatible with Mac Book Pro/Mac Book Air（After 2012）