Toshiba Pa3641u-1Brs Replacement Notebook / Laptop Battery 4400mAh (Replacement) Build with high quality components that fits the TOSHIBA PA3641U-1BRS laptop Volts: 14.8V, Cells: 8, Chemistry: LiIon, Capacity: 4400mAh, 1 year manufacturer warranty. 100% OEM compatible and made with high quality battery cells. In house engineers to ensure fast response for all technical questions regarding the TOSHIBA PA3641U-1BRS laptop battery. Ship direct from manufacturer