5200 mAh 10.8 v // Compatible with : Models MacBook Pro 15.4" A1286 (Mid 2009)MacBook Pro 15.4" A1286 (Mid 2010)MacBook Pro 15.4" MB985*/AMacBook Pro 15.4" MB985CH/AMacBook Pro 15.4" MB985J/AMacBook Pro 15.4" MB985LL/AMacBook Pro 15.4" MB985TA/AMacBook Pro 15.4" MB985X/AMacBook Pro 15.4" MB985ZP/AMacBook Pro 15.4" MB986*/AMacBook Pro 15.4" MB986CH/AMacBook Pro 15.4" MB986J/AMacBook Pro 15.4" MB986LL/AMacBook Pro 15.4" MB986TA/AMacBook Pro 15.4" MB986X/AMacBook Pro 15.4" MB986ZP/AMacBook Pro 15.4" MC118MacBook Pro 15.4" MC118*/AMacBook Pro 15.4" MC118CH/AMacBook Pro 15.4" MC118J/AMacBook Pro 15.4" MC118LL/AMacBook Pro 15.4" MC118TA/AMacBook Pro 15.4" MC118X/AMacBook Pro 15.4" MC118ZP/AMacBook Pro 15.4" MC371LL/AMacBook Pro 15.4" MC372LL/AMacBook Pro 15.4" MC373LL/AMacBook Pro 15.4" Precision Aluminum Unibody (2009 Version)