Review on Dutyone 5000MAh Replacement Battery IRobot by Renee Vinith

It would take me at least that long to know how long this battery will last. My OEM battery lasted four years. However, the OEM battery also costs $100. The OEM says the battery can last 2 to 4 years. As this is a new replacement from a Chinese manufacturer I just don't know at this point how long this battery will last. This works on my old Roomba.