Battery for MacBook Air 11" A1370 + A1465 (Mid 2011-Early 2015)
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
50Wh Battery for Apple MacBook Air 13" A1369 Mid 2011 A1466 2012 A1405 Notebook - Walmart.com
Amazon.com: POWERWOO A1465 Battery, A1406 A1370 A1495 Replacement Battery for Laptop MacBook Air 11 inch (Mid 2011 2012 2013 Early 2014 2015 Version) - High Performation [39Wh/7.6V/5100mAh]
MacBook Air Real World Battery Life (Mid-2011): EveryMac.com
Apple MacBook Air review (13-inch, mid 2011) - The Verge
Apple MacBook Air review (13-inch, mid 2011) - The Verge
Teardown: Debugging a faulty MacBook Pro battery - EDN
A1321 Battery for MacBook Pro 15" Unibody A1286 Mid 2009-2010
Amazon.com: SKOWER Replacement Laptop Battery for Apple MacBook Air 13 inch 7200mAh 55Wh for A1466 (Mid 2012,Mid 2013,Early 2014, Early 2015,2017) A1369 (Late 2010,Mid 2011 Version) A1496 A1405 A1377 Battery
Battery Life - The 2012 MacBook Air (11 & 13-inch) Review
TKM Computers Battery A1406 A1495 For Apple Macbook Air 11.6-Inch A1465 Mid2012 2013,Early2014 TKMCP07308
MacBook Batteries – iFixit Store
How To Test A MacBook Battery To See If It Needs Replacing And Replace It | Macworld