BTI A1244-BTI - Power adapter - 45 Watt (EQUIVALENT TO 661-5730, 1244, MB283LL, MC747LL/A) FOR APPLE MACBOOK AIR 11-INCH LATE 2010 MC505LL/A, MACBOOK AIR 11-INCH LATE 2010 MC506LL/A, MACBOOK AIR 11-INCH MID 2011 MC968LL/A, MACBOOK AIR 11-INCH MID 2011 MC969LL/A, MACBOOK AIR 13-INCH LATE 2010 MC503LL/A, MACBOOK AIR 13-INCH LATE 2010 MC504LL/A, MACBOOK AIR 13-INCH MID 2011 MC965LL/A, MACBOOK AIR 13-INCH MID 2011 MC966LL/A, MACBOOK AIR LATE 2008 MB543LL/A, MACBOOK AIR LATE 2008 MB940LL/A, MACBOOK AIR MB003LL/A, MACBOOK AIR MB543LL/A, MACBOOK AIR MB940LL/A, MACBOOK AIR MC233LL/A, MACBOOK AIR MC234LL/A, MACBOOK AIR MC503LL/A, MACBOOK AIR MC504LL/A, MACBOOK AIR MID 2009 MC233LL/A, MACBOOK AIR MID 2009 MC234LL/A, MACBOOK AIR ORIGINAL 2008 MB003LL/A