Battery Type: Lithium Polymer; Capacity: 7200mAh; Cells: 4 cell; Voltage: 7.6V

Compatible models: 13" Mac Book Air (2010, 2011, 2012, 2013 and 2014 versions) only

Compatible part numbers: MC503LL / A / MC503 / MC503ZP / A / MC503LZ / A / MC503LL / A / MC503E / A / MC503B / A / MC504LL / A / MC504 / MC965LL / A / MC966LL / A / MD231LL / A / MD232LL / A / MD 760LLL / A / MD761LL / A / MD760LL / B / MD761LL / B