Hipower Laptop Battery For IBM / Lenovo 42T4655/AB Laptop Notebook Computers Battery Cells: 9 Cells Voltage Rating: 10.8V Capacity: 7200mAh; 78Wh 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.