?Upgraded to 3.8Ah? 14.4V NI-MH Battery Replacement for iRobot Roomba R3 500,600,700,800,900 Series 500 510 530 531 532 535 536 540 550 552 560 570 580 595 600 620 660 700 760 770 780 790 800 870

Compatible with the models: iRobot Roomba 500 iRobot Roomba 510 iRobot Roomba 530 iRobot Roomba 531 iRobot Roomba 532 iRobot Roomba 533 iRobot Roomba 535 iRobot Roomba 536 iRobot Roomba 540 iRobot Roomba 545 iRobot Roomba 550 iRobot Roomba 551 iRobot Roomba 552 iRobot Roomba 560 iRobot Roomba 561 iRobot Roomba 562 iRobot Roomba 570 iRobot Roomba 580 iRobot Roomba 581 iRobot Roomba 585 iRobot Roomba 595 iRobot Roomba 600 iRobot Roomba 610 iRobot Roomba 620 iRobot Roomba 630 iRobot Roomba 650 iRobot Roomba 655 iRobot Roomba 660 iRobot Roomba 690 iRobot Roomba 700 iRobot Roomba 760 iRobot Roomba 770 iRobot Roomba 780 iRobot Roomba 790 iRobot Roomba 800 iRobot Roomba 870 iRobot Roomba 880 iRobot Roomba 890 Scooba 450 robots