11200mAh Extended Battery A1309 For APPLE MacBook Pro 17 inch MC226LL/A Battery Type: Li-Polymer | Voltage: 7.40V Capacity: 11200mAh | Rate: 83.00 Wh Weight: 640.10 g  Color: Black Compatible Part Numbers: A1309 Condition: New, 1 year warranty! Please ensure the product(s) that you are going to buy fits the brand, model, part number and dimension (mentioned above) of your device.