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Amazon.com: Synergy Digital Vacuum Cleaner Battery, Works with iRobot Roomba 531 Vacuum Cleaner, (Ni-MH, 14.4, 2800mAh) Ultra High Capacity Battery : Home & Kitchen
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Amazon.com: 5000mAh 14.4V Ni-Mh Replacement Battery Compatible with iRobot Roomba Battery R3 500 600 700 800 900 Series 510 530 531 532 535 536 540 550 552 560 570 580 595 620 650 660 760 770 780 790 870 980 : Home & Kitchen
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Amazon.com: Kastar 2 Pack Battery Replacement for iRobot Roomba 500 510 530 531 532 533 535 536 540 545 550 551 552 560 562 565C 570 580 581 585 595 600 610 611 620 625 625 630 660 700 760 770 780 790 800 870 880 : Home & Kitchen
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Amazon.com: 4400mAh NI-MH Battery for iRobot Roomba 500 510 520 521 527 530 531 532 535 540 545 550 552 555 560 562 570 580 581 582 585 595 600 610 620 630 631 650 660 700 760 770 780 790 800 870 880 R3 4419696 : Home & Kitchen
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Battery for iRobot Roomba 531 14.4 V 4500 mAh Ni-MH APS See compatible series in the description below : Amazon.com.be: Home & Kitchen
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HQRP 3300mAh APS Battery for iROBOT Roomba 531 / 533 / 536 / 537 / 551 / 561 / 563 / 564 / 571 / 577 / 578 / 600 / 611 / 790; 800 / 880 Series [Vacuum Cleaning Robot] Replacement plus HQRP Coaster
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14.4V iRobot Roomba Battery 5000mAh for 500 600 700 800 900 521 530 531 550 540 545 630 631 760 780 860 Series Vacuum Cleaner - AliExpress
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