14.4V BATTERY for iRobot Roomba R3 500 600 700 800 APS - Mighty Max Battery brand product Easy to charge and connect APS battery compatible with all Roomba FloorVac models Replacement Battery for iRobot Roomba 500 600 700 Series Vacuum Cleaner 14.4V 2.0AH NiCD Battery Mighty Max batteries are made with the highest quality materials. 1 Year Warranty