Hiport 9 Cell Laptop Battery For IBM Lenovo Thinkpad T400 Type 2764, 2765, 2766, 2767, 2768, 2769, 2773 Laptop Notebook Computers Cells: 9 Cells Voltage: 10.8V Battery Capacity: 6600mAh; 71Wh Type: This item is an extended capacity 9 cell battery. This battery is physically larger than batteries with fewer cells. Please compare the specs to determine if this battery will be larger than your original. Size: 8.83in X 3.01in X 1.29in (224mm X 77mm X 33mm)