Amazon.com: Replacement Laptop Battery for Apple MacBook Air 13 inch A1466(Mid 2012, Mid 2013, Early 2014, Early 2015,2017) A1369(Late 2010, Mid 2011 Version) 7200mAh,fits A1496 A1405 A1377 [New Upgraded 3.0] : Electronics
Lately I bought MacBook Pro 13” Mid-2014 in a 100% shape with the original battery at 91% capacity and full box with original accessories for 350€. In my opinion a very good
Amazon.com: A1502 Replacement Laptop Battery for MacBook Pro Retina 13 Inch Late 2013 Mid 2014 Early 2015; MacBook Pro A1493 A1582 Battery EMC 2678 2875 2835 ME864 ME865 : Electronics
Amazon.com: A1466 Battery 【Higher Capacity 8000+mAh】 MacBook Air Battery Replacement for MacBook Air 13 inch A1466 (Mid 2012, Mid 2013, Early 2014, Early 2015, 2017) A1369(Late 2010,Mid 2011)【2nd Version Upgrade】 : Electronics
Amazon.com: A1466 Battery 【Higher Capacity 8000+mAh】 MacBook Air Battery Replacement for MacBook Air 13 inch A1466 (Mid 2012, Mid 2013, Early 2014, Early 2015, 2017) A1369(Late 2010,Mid 2011)【2nd Version Upgrade】 : Electronics
Amazon.com: A1466 battery,Runpower Replacement Battery for Macbook Air 13" A1466 (2017 Early 2015 Early 2014 Mid 2013 Mid 2012)A1369(Mid 2011 Late 2010 Version),Also fits A1377 A1405 1496[Li-Polymer 55Wh/7200mAh] : Electronics
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
MacBook Air 13" Early 2014 Battery Replacement - iFixit Repair Guide