... NI-MH battery for irobot Roomba 400 series 2.for Irobot roomba400 3.High quality ... Roomba 400/4000 Series including Roomba Original, Roomba Pro, Roomba Pro Elite, Roomba Dirt Dog, Roomba Discovery, Roomba Discovery SE, Roomba Red, Roomba Sage, and Roomba Scheduler ... iRobot Roomba 400 ,405 ,410 ,415 ,416 ,418 ,4000 ,4100 ,4105 ,4110 ,4130 ,4150 ,4170 ,4188 ,4210 ,4220 ,4220 ,4225 ,4230 ,4232 ,4260 ...