Hiport 9 Cell Laptop Battery For Twinhead Durabook S13, S13Y, S14, S14D, S14K, S14L, S14Y, S15, S15C, S15S, S15T Laptop Notebook Computers Cell Count: 9 Cells Voltage Rating: 11.1V Capacity Rating: 6600mAh; 73Wh Item Type: This item is an extended capacity 9 cell battery. This battery is physically larger than batteries with fewer cells and may stick out from your computer when installed. Please compare the ratings to determine if this battery is different from your current battery. Item Size: 7.95in X 2.52in X 0.87in (202mm X 64mm X 22mm)