:NiCd Battery compatible with all Roomba FloorVac modelsProvides up to 75 minutes of run time.50 percent greater useful life than original Roomba batteriesEasy to charge and connectCompatible with the following models Discovery Series Create Models Dirt Dog Model iRobot Roomba 400 Series: Contact me TECHNICAL SPECIFICATIONS:- Votlage14.4V - Capacity2.4Ah- Max. Discharging rate 10 C at24 A- Dimension7 x 2.2 x 2.3 inches Download product handling instructions here. *Tenergy product is a generic replacement, not the original OEM battery.*iRobot??, Scooba??, Roomba are trademarks of iRobot Corporation.*Tenergy is not associated with iRobot Corporation.*Tenergy product is not subject to any warranty by iRobot.All Other iRobot Batteries and Cleaners Still unsure if you are purchasing the correct battery? See our Roomba Battery Comparison Page to find the correct battery for your unitCLICK HERE