Odec Roomba Replacement Battery 4800mAh for iRobot Roomba R3 500 600 700 800 Series - Ni-MH Battery Capacity: 4800mAh; Battery Voltage: 14.4V; Battery Type: Ni-MH CE and FCC certified, tested by manufacturer Replacement battery for iRobot Roomba R3 500, 600, 700 & 800 Series Over-charge and over-discharge protection, lengthen the service life of the battery Works with entire iRobot 500 Series robotic Vacume cleaners