Amazon.com: RayHom A1466 Laptop Replacement Battery for MacBook Air 13 inch A1466 (Mid 2012,Mid 2013,Early 2014, Early 2015,2017) A1369(Late 2010,Mid 2011 Version) High Performance 7200mAh fits A1496 A1405 A1377 : Electronics
How To Calibrate a Mac Laptop's Power System - NewerTech
How to Replace the Battery in a 11-inch MacBook Air (Mid 2012) MacBookAir5,1 - YouTube
NewerTech® : Batteries : NuPower® Battery for MacBook Pro 15" Unibody Early & Late 2011, Mid-2012 Models
Amazon.com: A1405 A1466 Battery Replacement for MacBook Air 13 inch (Mid 2012, Mid 2013, Early 2014, Early 2015,2017), A1369(Late 2010, Mid 2011) MacBook Air A1377 Replacement Laptop Battery : Electronics
Quality factors relevant for getting a replacement battery (MacBook Pro ( 13-inch, Mid 2012)) - Ask Different