4500+ Super Duration Battery for Roomba 600 605 615 631 632 650 520 521 530 531 749715690310 | eBay
Cameron Sino 5200mah Battery For Irobot Roomba 614, 615, 640,652,665,670,671,675,677,680,681,671,675,677,680,681,685,690,691,695 - Digital Batteries - AliExpress