Creabest 4800mAh 4419696 80501 Battery For iRobot Roomba 500 600 700 800 Series
- Ni-Mh Material Best Matches your Machines and chargers ! Because iRobot Roomba original battery use the Ni-Mh material.Our Factory checked 1000 hundreds times that the Li-ion material battery could not compatible with the original iRobot Roomba machines and the chargers very well. sometimes the Li-ion battery could not be charged. so the Ni-Mh battery for iRobot Roomba is your best choice!