amsahr Replacement Battery for Apple A1322, MacBook Pro 13" models: A1278 (2009 Version), MB990-A, MB990CH-A, MB990J-A, MB990LL-A, MB990TA-A (6 Cell, 63.5WH) - Includes Mini Optical Mouse Includes Mini Optical Mouse with Retractable USB cord and ONE Compatible Laptop Battery 18 Months Manufacturer Warranty, 100% Compatible Non-OEM : Lithium Ion (Li- ion) Long Life Battery: Rechargeable with No Memory Effect and Power Surge Protection. 63.5WH, 10.9 Volts & 6 Cell Protective Retail Packaging, Each Product is Sealed with Anti-Static Shield Sleeve. Exclusive Offering of High Performance, Long Lasting, and Durable Grade A Cell Battery