A1322 Battery for Apple Unibody MacBook Pro 13 inch A1278 661-5229 020-6765-A 020-6547-A 661-5557 MB990*/A [Emaks&reg;] Specifications:Voltage:10.95 V ,Capacity:63.5WH/ 6 Cells Model:Apple Macbook Pro 13 A1322 A1278 Part number: MB990TA/A MC374B/A MB990LL/A MB991LL/A [2009 2010 2011 Version] Package: one A1322 Replacement battery+two screwdrivers Reliable and friendly customer service ready to respond within a 24 hour time frame. 30-Day Money Back Guarantee, 6 Month Replacement Warranty and Lifetime Support Guarantee