"The 60 Watts Magsafe Current Adapter has a CC magnetic connector that ensures that the power cord is off if you are inadvertently pulled. In addition, it also avoids the wear of the cables. In addition, the CC magnetic connector helps connect the laptop plug to a quick and secure connection.When the connection is safe, the LED situated on the CC connector head lights up. The amber light indicates that the notebook is loading and the green light warns that the battery is charged. The CA cable is supplied with the adapter to increase the length and the AC power supply (also included) facilitates transportation.Designed with an intelligent design that allows you to curl the CC cable for easier storage, the adapter is a perfect travel companion.This chain adapter loads the lithium polymer battery while the system is turned off, on or in hibernation mode. Also feeds the laptop, if you decide to work without battery.Compatible with 13-inch MacBook and MacBook Pro models released between 2010 and 2012."