Warranty 1 Year Voltage 10.95V Battery Type Internal Cells 6 Cell Cell Type Li-polymer Battery Capacity 5900mAh Watt-Hour 73Wh Compatible with MacBook Pro 15" A1286 (2009 Version),MacBook Pro 15" MB985*/A,MacBook Pro 15" MB985CH/A,MacBook Pro 15" MB985J/A,MacBook Pro 15" MB985LL/A,MacBook Pro 15" MB985TA/A,MacBook Pro 15" MB985X/A,MacBook Pro 15" MB985ZP/A,MacBook Pro 15" MB986J/A,MacBook Pro 15" MB986LL/A,MacBook Pro 15" MB986TA/A,MacBook Pro 15" MB986X/A,MacBook Pro 15" MB986ZP/A,MacBook Pro 15" MC118,MacBook Pro 15" MC118*/A,MacBook Pro 15" MC118CH/A,MacBook Pro 15" MC118J/A,MacBook Pro 15" MC118LL/A,MacBook Pro 15" MC118TA/A,MacBook Pro 15" MC118X/A,MacBook Pro 15" Precision Aluminum Unibody (2009 Version),MacBook Pro 15” MB986*/A,MacBook Pro 15” MB986CH/A,MacBook Pro 15” MC118ZP/A