10.80V,4400mAh,Li-ion,Replacement Laptop Battery for TOSHIBA Dynabook CX, Dynabook SS Series, Equium A100, U300 Series, Portege M600 Series, Tecra M8 Series, TOSHIBA Satellite Pro U300, Satellite U300, Satellite U305 Series, Compatible Part Numbers: PA3593U-1BAS, PA3594U-1BRS, PABAS111