Apple 45W MagSafe 2 Power Adapter (MD592LL/A)
Model Number: MD592LL/A
Web Code: 10210557
Designed specifically for your MacBook Air, the MagSafe 2 power adapter makes it easy to charge your device at home or on the go. It's held in place magnetically, so if you or someone else trips over the cable, it disconnects without doing damage.