CSEXCEL New Laptop Battery for Apple MacBook Air 13" A1405 A1377 A1496 A1369 (Late 2010 Mid 2011) A1466 (Mid 2012 Mid 2013 Early 2014) [Li-Polymer 55Wh] Battery Type: Li-Polymer; Voltage: 7.6V; Capacity: 55Wh/7200mAh; 4 cell FIT MODEL: MacBook Air 13 inch A1466 (Mid 2012, Mid 2013, Early 2014, Early 2015 Version), A1369 (Late 2010, Mid 2011 Version), MC503LL/A, MC504LL/A, MC965LL/A, MC966LL/A, MD231LL/A, MD232LL/A, MD760LL/A, MD761LL/A, MD760LL/B, MD761LL/B. ("Ctrl" + "F" to find your models) Contain with Durable cells; Low power consumption IC design; Tested with strict quality control standards; Direct warranty from Manufacturer. Overcharger and Discharger Circuit Protection, CE-/FCC-/RoHS-Certified for safety. Warranty: 18 Months Warranty, 30 days money return guarantee; 24 x 7 email support.