Battery type: Li-Ion - no memory-effect Capacity: 4500 mAh Voltage: 14.4 V Energy: 64.8 Wh Number of cells: 4 Weight: 416 g Compatible with the following device models: iRobot Roomba 900 iRobot Roomba 980 iRobot Roomba 960 iRobot Roomba R3 iRobot Roomba APS iRobot Roomba 966 To ensure compatibility, please check to see whether the battery you are currently using is listed below.
eBay