Laptop battery Toshiba PA3634U 6 Cells 10.8V 4400mAh/48wh, compatible partnumbers: TOSHIBA:PA3634U-1BAS, PA3635U-1BAM, PA3635U-1BRM, PA3638U-1BAP, PABAS117, PABAS118, PA3780U-1BRS, PABAS215, fit models: Equium U400-124, Equium U400-145, Equium U400-146, Equium U400 Series, Equium U400 Series, Satellite L310 Series, Portege M800 Series High Quality Laptop Battery 6 Cells, Li-ion, 10.8V 4400mAh/48wh - Black 1 Year warranty