A1331 Battery for 13.3-inch Apple MacBook A1331 Battery for A1331 A1342 Apple MacBook Unibody 13 Inch (Late 2009 Mid 2010) Fits 661-5391 661-5585 MC207LL/A MC516LL/A Apple MacBook 13" A1331 Battery for A1342 (2009-2010) A1331, A1342, 661-5391 020-6580-A 020-6582-A 020-6809-A 6 Cell Laptop Battery Teqoneindia.com