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
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. Apple 85W MagSafe Power Adapter MacBook Pro with Retina display MacBook Air with MagSafe 2 power port