Angwel 7.6V 40WH Replacement Battery for Apple MacBook Air 11" A1406 (2011) A1465 (2012) A1465 (Mid 2012) -- 1 Year Warranty Type:Replacement A1406 battery Voltage:7.6V , Capacity:38.75WH Color:Black , Warranty:12 months Fast shipping from US , 1 Year Warranty. ANGWEL&reg; have registered a U.S. Trademark and the serial number is 87020589