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: iProPower Replacement Battery A1377 A1405 A1496 Compatible with MacBook Air 13” inch A1369 A1466 A1496 [7200mAh High Capacity 7.6V 55WH] : Electronics
Keeping the Lights On: How To Replace a Macbook Air Battery – Lights in the Dark
Battery for MacBook Air 13" Model A1466 Battery A1405