Amazon.com: iRobot Roomba Authentic Replacement Parts - XLife Extended Life Battery - Compatible with Roomba 400 600 700 800 Series Robots : Home & Kitchen
Amazon.com: 6400mAh Lithium ion Replacement Battery Compatible with iRobot Roomba R3 500-900 Series 510 520 530 540 550 560 570 580 600 610 630 650 660 700 760 780 800 870 880 900 980 Battery for iRobot Roomba : Home & Kitchen