Input:100 - 240V,50-60H Output:16.5V 3.65A | MacBook Pro charger has a Built-in heat sink dissipates heat to keep the charger from overheating. Highest quality materials and durable cord are against over current, over voltage, over load, short-circuit protection and auto recovery. | When securely connected MacBook Pro power adapter, an LED lights up - an amber light lets you know that your laptop is charging, while a green light tells you that you have a full charge . | This 60W charger can be used for ALL 13" Apple MacBook Pro and MacBook Air laptops, including models that come with 60W and 45W. You can use a compatible higher wattage adapter without issue. The MacBook Pro or Air will only draw the wattage needed and will not damage the laptop. If you have multiple MacBooks, this is the perfect interchangeable charger! | MacBook Pro (Retina, 13-inch, Early 2015); MacBook Pro (Retina, 13-inch, Mid 2014); MacBook Pro (Retina, 13-inch, Late 2013); MacBook Pro (Retina, 13-inch, Early 2013); MacBook Pro (Retina, 13-inch, Late 2012); Part Number: A1435, A1465, A1502, A1425.