Masione Replacement Roomba 400 Battery 14.4V 2.5Ah Compatible with iRobot 4000,4100,4105,4110,4130,4150,4170,4188,4210,4220,4225,4230,4232,4250,4260,4296,400,405,410,415,416,418 Brand New | Ni-CD | 14.4 Volts | 2500mAh | Yellow This battery can run your Roomba for about 50-60 minutes Keep your Roomba cleaning up all the cat hair, cat litter and whatever else was on the floor Easy to charge and connect APS battery compatible with all Roomba 400 series All batteries are passed strict quality assurance procedures such as CE, RoHS, UL, FCC certifications