Item №: 99344D. In 60 Watt MagSafe Power Adapter has a magnetic clutch DC, which ensures your power cable will stop if there is undue tension and helps prevent fraying or weakening of the cables over time. In addition, the magnetic DC helps guide the plug into the system fast and safe connection. When the connection is secure, an LED located at the head of the DC connector will light; an amber light lets you know that your portable is charg. . . More>>