How to Replace the Battery in a 11-inch MacBook Air (Mid 2012) MacBookAir5,1 - YouTube
LMDTK New Laptop Battery For Apple MacBook Air 11" A1465 2012 A1370 2011 Production Replace A1406 A1495 - AliExpress
Amazon.com: Puredick A1406 A1465 Battery, Replacement Battery for MacBook Air 11 inch (2012-2015 A1465) and (Mid 2011 A1370) - A1406 A1495 Battery for 11-inch MacBook Air [7.3V/35W/4790mAh] : Electronics
Replacement Battery for MacBook Air 11-Inch (2011-2015)