Compatible only with MacBook Air featuring 2012 new laptop series MagSafe 2 power port,not 14.5v 3.1a 45w,different dc size,plz confirm later then purchase. 

Comaptible Part Number:A1436 A1465 A1466 MD592LL/A Apple Macbook Air 2012 New ModelApple MacBook Air MD223 MD224 11.6-Inch Retina Display 2012 middleApple MacBook Air MD223LL/A MD223D/A MD223B/A MD223F/A MD223X/A MD223K/A MD224J/A MD223N/AApple MacBook Air MD224LL/A MD224D/A MD224B/A MD224F/A MD224X/A MD224K/A MD224J/A MD223N/A Apple MacBook Air MD231 MD232 13.3-inch Retina Display 2012 middleApple MacBook Air MD231LL/A MD231D/A MD231B/A MD231F/A MD231X/A MD231K/A MD231J/A MD231Y/A MD231N/AApple MacBook Air MD232LL/A MD232D/A MD232B/A MD232F/A MD232X/A MD232K/A MD232J/A MD232Y/A MD232N/A 

Package content: AC adapter and power cord, a complete set ready-to-use!

Warranty: 2-Year Replacement Warranty!

Instruction:1. This device may not cause harmful interference.

                    2. Overshort & circuit protection.

                    3. 100% satisfaction guaranteed.

                    4. The delivery times will depend on shipping service selected and receipt of cleared payment.

   so the estimated delivery dates may vary, especially during peak periods, but we will make effort to forward things, thanks for your understand! 

Feedback:1. We will leave positive feedback once receiving your payment, if you are satisfied with the product you received, please leave us a positive feedback and 5 stars.

                  2. If you are not satisfied with our items or service, please don't hesitate to contact us before you leave any neutral/negative feedback, we will always try our best for 100% customer satidfaction.

                  3. If you have any problems please email us before leaving negtive feedback. We will answer all emails asap, just give us the opportunity to resolve a problem.

Shipping:1. All items have checked before shipping.

                 2. All items will be arrange shipping within 24 hours to buyer's payment confirned address upon payment cleared.

                 3. Please check your shipping address carefully, it can't be changed if order completed