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Saleaps A1466 Replacement Battery for MacBook Air 13 inch 2017, Early 2015 Early 2014, Mid 2013 Mid 2012 Mid 2011, Late 2010 7200mAh 7.6V Fits A1369 A1405 A1496 A1377
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Internal Replacement Battery for MacBook Air 13 (2010-2013 versions) - Micro Center
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Teardown of New Mid-2013 MacBook Air Reveals Smaller SSD, Increased Battery Capacity - MacRumors