4-cell LiPolymer Laptop Battery for APPLE MacBook Air 13″, 7.2V
BTI MC-MBKAIR 4-cell 7.2V, 4200mAh Li-Polymer Notebook Battery for APPLE MACBOOK AIR 13 Inch 2008 Model , MACBOOK AIR 13 Inch 2009 Model , MACBOOK AIR 13 Inch A1237 , MACBOOK AIR 13 Inch A1304 , MACBOOK AIR 13 Inch MB003LL/A, MACBOOK AIR 13 Inch MB543LL/A, MACBOOK AIR 13 Inch MB940LL/A, MACBOOK AIR 13 Inch MC233LL/A, MACBOOK AIR 13 Inch MC234LLA , MACBOOK AIR 13 Inch Original , MACBOOK AIR MC233LL/A , MACBOOK AIR MC234LL/A , MACBOOK AIR MC504LL, Mid 2009 MC234LL/A, Mid 2009 MC233LL/A, Late 2008 MB940LL/A, Late 2008 MB543LL/A