The MagSafe to MagSafe 2 Converter allows you to use the MagSafe connector on your LED Cinema Display, Thunderbolt Display or MagSafe Power Adaptor to charge your MagSafe 2 equipped Mac computer. Compatibility: 24-inch Apple LED Cinema Display27-inch Apple LED Cinema DisplayApple Thunderbolt DisplayApple 45W MagSafe Power AdaptorApple 85W MagSafe Power AdaptorMacBook Pro with Retina displayMacBook Air with MagSafe 2 power port. Manufacturer’s 1 year guarantee. EAN: 885909604203.