Battery type: Li-Ion - no memory-effect Capacity: 4400 mAh Voltage: 14.4 V Energy: 63.36 Wh Number of cells: 4 Weight: 446 g Compatible with the following device models: iRobot Roomba S9+ iRobot Roomba s9 To ensure compatibility, please check to see whether the battery you are currently using is listed below. Replacement for: iRobot 4650994 .
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