Battery type: NiMH Capacity: 2500 mAh Voltage: 14.4 V Energy: 36 Wh Colour: yellow Number of cells: 12 Weight: 517 g Compatible with the following device models: iRobot Roomba 400 iRobot Roomba 405 iRobot Roomba 410 iRobot Roomba 4105 iRobot Roomba 4110 iRobot Roomba 40901 iRobot Roomba 4000 iRobot Roomba 4100 To ensure compatibility, please check to see whether the battery you are currently using is listed below.
eBay