Regulatory filings reveal new 49.9Wh battery from Apple, could be for updated MacBook Air - 9to5Mac
How To Test A MacBook Battery To See If It Needs Replacing And Replace It - Macworld UK
How To Calibrate a Mac Laptop's Power System - NewerTech
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
Apple A1369(EMC 2469) battery,54.4Wh battery for Apple A1369(EMC 2469) laptop (4 cells,7.6V)
Macbook Air 11" Batteri A1375 i bedste kvalitet late 2010