Toshiba Pa3536u-1Brs Notebook / Laptop Battery, 4000Mah Shopforbattery 100% OEM compatible laptop battery for PA3536U-1BRS Volts: 11.1 - Cells: 6 - Color: Black - Chemistry: LiIon - mAh: 4000 1 year manufacturer warranty. 100% OEM compatible and made with high quality battery cell. Made with high quality battery cells and components with all safety feature. Ship direct from manufacturer