2 High efficiency 1500 mAh, Ni-MH 7.2V AA replacement batteries part #4200B. Fits Mint Automatic Floor Cleaner 4000 series model Mint 4200, Mint 4205, Braava 320 and Braava 321. Not compatible with Mint Plus 5000 series.
This is a generic product designed and engineered in the United States by Crucial Vacuum. This is not a Roomba® OEM product and is not covered under any Roomba® manufacturer's warranty. The Roomba® brand names and logos are the registered trademarks of their respective owners. Any use of the Roomba® brand name or model designation for this product is made solely for purposes of demonstrating compatibility.