DENAQ 12-Cell 98Whr/6600mAh Li-Ion Laptop Battery for TOSHIBA SATELLITE P20-107, TOSHIBA SATELLITE P20-108, TOSHIBA SATELLITE P20-311, TOSHIBA SATELLITE P20-504, TOSHIBA SATELLITE P20-521, TOSHIBA SATELLITE P20-531, TOSHIBA SATELLITE P25-S477, TOSHIBA SATELLITE P25-S478, TOSHIBA SATELLITE P25-S507, TOSHIBA SATELLITE P25-S508, TOSHIBA SATELLITE P25-S509, TOSHIBA SATELLITE P25-S5091, TOSHIBA SATELLITE P25-S5092, TOSHIBA SATELLITE P25-S5093, TOSHIBA SATELLITE P25-S520, TOSHIBA SATELLITE P25-S5201, TOSHIBA SATELLITE P25-S526, TOSHIBA SATELLITE P25-S5562, TOSHIBA SATELLITE P25-S5563, TOSHIBA SATELLITE P25-S561, TOSHIBA SATELLITE P25-S562, TOSHIBA SATELLITE P25-S563, TOSHIBA SATELLITE P25-S607, TOSHIBA SATELLITE P25-S609, TOSHIBA SATELLITE P25-S670, TOSHIBA SATELLITE P25-S676, TOSHIBA SATELLITE P25-S6761 Replaces TOSHIBA Parts PA3291U, PA3291U-1BRS, PA3291U-1BAS.