DENAQ NM-A1406 7.6 volt 5400 mAh Lithium Ion battery fits the Apple MacBookAir4 1 mid-2011 Laptop

This DENAQ NM-A1406 7.6V 5400mAh Lithium Ion battery is an ideal replacement for the Apple MacBookAir4 1 mid-2011 laptop. A powerful output of up to 7.6V and 5400 mAh ensures an efficient and reliable performance for your device.