Use an extra adapter for home or work. The Apple 85W MagSafe 2 Power Adapter is made specifically for your MacBook Pro with Retina display. It’s held in place magnetically, so if someone should trip over it, the cord disconnects harmlessly and your notebook stays put safely.
When the connection is secure, an LED located at the head of the DC connector lights up; an amber light lets you know that...
MagSafe 2 Power Adapter.