Replacement Roomba Battery - Extended Battery for iRobot Roomba 500 650 560 630 620 770 780 880 980 595 510 600 700 870 655 Series - Quality Parts 4500mAh 14.4v Ni-MH Battery for Robot Vacuum Cleaner Extended capacity of 4500mAh - lasts much longer than a regular 3000mAh battery Integrated microchip for power management and safety High quality Japanese parts and battery cells One year warranty and 30-day money back guarantee Compatible with all 500 600 700 800 series iRobot Roomba models fits: 510 530 531 532 533 535 536 540 545 550 552 560 562 570 580 581 582 585 595 610 620 630 650 655 660 760 770 780 790 870 880 980 R3 80501 4419696