PowerSmart 4 CELL 3300mAh Replacement for IROBOT Roomba 5105, 5210, Roomba Discovery, Roomba Discovery SE, Create, Dirt Dog Vacuum Cleaner Battery, Compatible Part Numbers: 4978, 17373, 40901 Compatible Original Battery Part Numbers: 	17373, 40901, 4978 Battery Type: Ni-MH Voltage: 14.40V Capacity: 3300mAh || Dimension: 173.40 x 51.10 x 52.70 mm || Rate: 48.00 Wh No. of cell: 4 Weight: 779.00 g Product Type: Replacement Battery (Brand New) Condition: New, 1 year warranty! Please ensure the product(s) that you are going to buy fits the brand, model, part number and dimension (mentioned above) of your device. The brand "PowerSmart" is our exclusive registered trademark, products trademarked "PowerSmart " are marketed and sold exclusively by power198