Hipower 9 Cell Laptop Battery For Toshiba Portege R830-S8310, R830-S8312, R830-S8320, R830-S8322, R830-S8330, R830-S8332, R830-ST8300, R835-P50X, R835-P55X, R835-P56X, R835-P70, R835-P75, R835-ST3N01, R830-00R, R830-00S, R830-01G, R830-01H, R830-01J, R830-01K Laptop Notebook Computers Battery Cells: 9 Cells Voltage Rating: 10.8V Capacity: 6600mAh; 71Wh Product 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.