Hipower Laptop Battery For HP DV6T-3100/AB Laptop Notebook Computers Cell Count: 9 Cells Voltage Rating: 10.8V Capacity Rating: 6600mAh; 73Wh Product 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. Item Dimensions: 8.07in X 2.06in X 1.57in (205mm X 52mm X 40mm)