Tips:Only fit for Apple MacBook Air 11" A1370 Mid 2011，Not A1370 Late 2010 Version!! Specification: Battery type:Li-polymer Voltage: 7.3V Capacity:35Wh Cell:3 Cells recharge cycles： 500 Operation time: Around 1.5-3 hours Compatible Part Numbers Apple MacBook Air 11" Battery Modes: A1406 A1495 Apple MacBookAir4,1 11.6-inch A1370 - (Mid 2011) Apple MacBookAir5,1 11.6-inch A1465 - (Mid 2012) Apple MacBookAir6,1 11.6-inch A1465 - (Mid 2013) Apple MacBookAir6,1 11.6-inch A1465 - (Early 2014 2015) MacBook Air 11" computer models: A1370 - (Mid 2011 version) A1465 - (Mid 2012 Mid 2013 Early 2014 version).
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