This new lifetime replacement 45W Magsafe 2 Charger made by Top AC Adapter (not original apple product) is compatible with all Apple 11" MacBook Air and 13" MacBook Air from mid 2012 models and onwards.
This Apple 45W alternative Magsafe 2 charger features a magnetic DC connector to prevent frayed cables and broken connectors. The T-style connector tips fit all MagSafe 2 MacBooks.
Many Apple.com customer reviews ask where to buy alternative 45W MacBook chargers because the original ones tend to be break easily. If your MacBook charger is not working or you have a broken Macbook charger, this replacement can solve your problem. You may reference these reviews from http://store.apple.com/us/reviews/MD592LL/A/apple-45w-magsafe-2-power-adapter-for-macbook-air?page=0&rf=1
Our compatible replacement 45W Apple MacBook MagSafe 2 Power Adapter Charger features a Lifetime Warranty and Free Shipping.
It is compatible with the following Apple part numbers:
A1244,A1435, A1465, A1436, A1466
MD223LL/A, MD224LL/A, MD231LL/A, MD232LL/A, MD592LL/A.
For all other Apple laptop part numbers, mid 2012 models and onwards, we recommended our Apple 60W Magsafe 2 Lifetime Charger and Apple 85W Magsafe 2 Lifetime Charger.