Amazon.com: iRobot Roomba Authentic Replacement Parts - XLife Extended Life Battery - Compatible with Roomba 400 600 700 800 Series Robots : Home & Kitchen
XLife battery for iRobot Roomba series 600, 700, 800 (Original)
14.4v 3000mah Ni-mh Rechargeable Battery For Irobot Roomba 500 510 520 530 540 550 560 570 580 Vacuum Cleaner Parts - Vacuum Cleaner Parts - AliExpress