Tigervivi Laptop Battery A1405 for Apple MacBook Air 13" A1369 (Mid 2011 version) A1466 (Mid 2012 version) 020-7379-A 661-6055 MC503 MC504 MacBook Air Core i5 13" i7[Li-Polymer 7.6V/54.4Wh] Battery Type: Li-Polymer; Voltage: 7.6V;Capacity: 54.4Wh; THIS BATTERY IS FOR 2011 AND 2012 MODELS ONLY! DOES NOT FIT A1406! All our products were tested by manufacturer to match and/or exceed specifications of OEM products No memory and virtually no self-discharge for maximum productivity and less downtime Warranty: 12 Months Warranty,24 x 7 email support.