Apple has released a MagSafe to MagSafe 2 Converter that lets use your existing MagSafe devices with the new MagSafe 2 equipped computers.
The MagSafe to MagSafe 2 Converter allows you to use the MagSafe connector on your LED Cinema Display, Thunderbolt Display, or MagSafe Power Adapter to charge your MagSafe 2-equipped Mac computer.
Compatibility: ● 24-inch Apple LED Cinema Display ● 27-inch Apple LED Cinema Display ● Apple Thunderbolt Display ● Apple 45W MagSafe Power Adapter ● Apple 85W MagSafe Power Adapter ● MacBook Pro with Retina display ● MacBook Air with MagSafe 2 power port
You can purchase the converter for $9.99 from the link below...
I love Apple products... but I hate how they nickel-and-dime consumers. This should be INCLUDED with products that use the MagSafe 2 port -- namely the Retina Display MacBook Pro.