Warranty 1 Year Voltage 10.95V Battery Type Internal Cells 6 Cell Cell Type Li-polymer Battery Capacity 5900mAh Watt-Hour 63.5Wh Compatible with Apple A1278 (2010 Baujahr Version),MacBook Pro 13" A1278 (2009 Version),MacBook Pro 13" MB990*/A,MacBook Pro 13" MB990CH/A,MacBook Pro 13" MB990J/A,MacBook Pro 13" MB990LL/A,MacBook Pro 13" MB990TA/A,MacBook Pro 13" MB990ZP/A,MacBook Pro 13" MB991*/A,MacBook Pro 13" MB991CH/A,MacBook Pro 13" MB991J/A,MacBook Pro 13" MB991LL/A,MacBook Pro 13" MB991TA/A,MacBook Pro 13" MB991ZP/A,MacBook Pro 13" Precision Aluminum Unibody (2009 Version)