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Amazon.com: melasta 5000mAh Lithium ion Battery Replacement Compatible with iRobot Roomba 500 600 700 800 Series 880 890 861 864 866 770 675 650 655 695 680 671 640 645 780 775 790 760 595 585 561 560 550 : Home & Kitchen
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MegaPower (TM) Extended 3500mah Capacity Battery for Irobot Roomba 880 500 510 530 532 535 540 545 550 552 560 562 570 580 581 | Best Buy Canada
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