1.14.4V 3300mAh NI-MH battery for irobot Roomba 400 series 2.for Irobot roomba400 3.High quality 4.Long cycle life 5 ... Replacement Battery for iRobot Roomba 400 ,405 ,410 ,415 ,416 ,418 ,4000 ,4100 ,4105 ,4110 ,4130 ,4150 ,4170 ,4188 ,4210 ,4220 ,4220 ,4225 ... up to 120 minutes of continuous clean up.Fit for Irobot roomba 400 series: 14.4V 3300mAh Ni-Mh battery pack for ...