Townpeak Notebook Battery for Apple A1405 A1496 A1466 A1369 (2012 Version) MacBook Air 13" [Li-Polymer 7.3V 50Wh] 18 Months Warranty 100% Fully Capacity 50Wh 7.3V CE-/FCC-/RoHS-Certified for safety 100% High Quality cells from Factory Fast shipping,18-month warranty 100% inspection before shipping