... .4VCapacity: 3.0AhCell type: Ni-MHSpecification: Rechargeable battery for Roomba 400 Series, Discovery Series, Dirt Dog and original models.Powers Roomba ... CO.,LTDADDRESS: HUAHAN D104,NO.16,LANGSHAN RD,NORTH OF HI-TECH INDUSTRIAL ZONE, NANSHAN,SHENZHEN,CHINA 518057TEL:86-755-88855368 82376820 ...