Amazon.com: A1377 A1405 A1496 Laptop Battery Compatible with MacBook Air 13 inch A1466 (Early 2015, Early 2014, Mid 2013, Mid 2012, Mid 2011, 2017) A1369 (Mid 2011, Late 2010) MJVE2LL/A MJVG2LL/A MC504 54.4Wh : Electronics
Amazon.com: Replacement Battery for MacBook Air 13 inch A1466 (Mid 2012, Mid 2013, Early 2014, Early 2015,2017) A1369(Late 2010, Mid 2011) 7200mAh Laptop Battery for Apple MacBook Air A1496 A1377 A1405 Battery : Electronics
Amazon.com: A1405 A1496 A1377 Laptop Battery Replacement for Apple Macbook Air 13 inch A1466(Early 2017,Early 2015, Early 2014, Mid 2013,Mid 2012) A1369(Late 2010, Mid 2011 Version), fits A1405 A1496 A1377 : Electronics
Replace Battery on MacBook Air 2012 to 2014 MacBook Air - YouTube
How To: Replace the battery in your MacBook Air 13" (Early 2015) - YouTube