Apple Macbook Pro MagSafe Power Adapter 85W is compatible with all 13″, 15″ and 17″ Macbook Pro model created before Mid-2012. MagSafe will not fit on non-retina MacBook Pro Retina Mid-2012 and later. All non-retina MacBook Pros need MagSafe power adapter and Retina MacBook Pro needs MagSafe 2 Power Adapter.
This adapter is fully compatible to MacBook Pro 13″/15″/17″ having model as A1330, A1344, A1184, MA538LL/B and MC461LL/A. These are the Macs prior to Mid-2012.
Not compatible to USB-C MacBook Pros. Not compatible to MacBook Pro Retina.