Apple MagSafe to MagSafe 2 Converter Adapter Compatible with Apple devices: MacBook MD504ZM/A

Compatible with:- Apple LED Cinema Display（24"）- Apple LED Cinema Display（27"）- Apple Thunderbolt Display- Apple 45W MagSafe power adapter- Apple 85W MagSafe power adapter- MacBook Pro w/ Retina display- MacBook Air

Price: £ 10.99 from Conrad Electronic