Battery type: Li-Ion - no memory-effect Capacity: 3400 mAh Voltage: 14.4 V Energy: 48.96 Wh Colour: black Number of cells: 4 Weight: 259 g Compatible with the following device models: iRobot Roomba i857840 iRobot Roomba J7 iRobot Roomba i817840 iRobot Roomba i8550 iRobot Roomba j517840 iRobot Roomba J557840 To ensure compatibility, please check to see whether the battery you are currently using is listed below.
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