The Macbook Pro Charger 45, 60, 80w features a magnetic DC connector so if someone should trip over your MagSafe 2 Power Adapter, the cord disconnects harmlessly and your MacBook Air stays put safely. The mac charger plug also helps prevent fraying or weakening of the cables over time. In addition, the magnetic DC helps guide the plug into the system for a quick and secure connection. – The Macbook Charger 85w designed to be the perfect travelling companion, the Magsafe 2 Power adapter has a clever design that allows the DC cable to be wound neatly around itself for easy cable storage. AC adapters manufactured with the highest quality materials and include laptop safeguard features against incorrect voltage, short circuit, internal overheating. 100% compatibility with the original. – When the macbook air charger connection is secure, an LED located at the head of the DC connector lights up; an amber light lets you know that your notebook is charging, while a green light tells you that you have a full charge. An AC lead is provided with the adapter for maximum lead length, while the AC wall adapter (also provided) gives you an even easier and more compact way to travel. – The Mac laptop charger compatible with: A1344, A1398, A1435, A1465, A1425.Apple MacBook and MacBook Pro 13-inch series: 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) The MacBook pro retina 13 charger output: 16.5V 3.65 60W | Magsafe 2 Connector for models from end 2012.