Review Apple MacBook Air 11 Mid 2011 (1.6 GHz, 128 GB SSD) Subnotebook - NotebookCheck.net Reviews
Apple MacBook Air 11 (Mid-2011) - Specs, Tests, and Prices | LaptopMedia.com
Amazon.com: A1405 A1466 Laptop Battery for MacBook Air 13 inch A1466(Mid 2012, Mid 2013, Early 2014, Early 2015, 2017) A1369(Late 2010, Mid 2011 Version) fits A1496 A1377 [EMC :2925, 2469, 2559, 2392, 2632, 3178] : Electronics
Apple MacBook Air review (mid-2011 11-inch and 13-inch) | Stuff-Review
The 2011 MacBook Air (11 & 13-inch): Thoroughly Reviewed
MacBook Air 13" Mid 2011 Teardown - iFixit
Amazon.com: Puredick A1406 A1465 Battery, Replacement Battery for MacBook Air 11 inch (2012-2015 A1465) and (Mid 2011 A1370) - A1406 A1495 Battery for 11-inch MacBook Air [7.3V/35W/4790mAh] : Electronics
MacBook Air 4,2 13-inch (Mid-2011) specifications and other info