Amazon.com: efluky 3500mAh Ni-MH Replacement Roomba Battery + Replacement Accessory Part Kit for iRobot Roomba 600 Series 600 610 614 620 625 630 635 640 645 650 655 660 665 670 680 690 - a Set of 11 : Home & Kitchen
Amazon.com: efluky 3500mAh Ni-MH Replacement Roomba Battery + Replacement Accessory Part Kit for iRobot Roomba 600 Series 600 610 614 620 625 630 635 640 645 650 655 660 665 670 680 690 - a Set of 11 : Home & Kitchen
Amazon.com: 14.4V 3200mAh i7 Battery Replacement for iRobot Roomba e and i Series, Large Capacity Battery Compatible with Roomba i7 i7+ i8 i6 i4 i4+ i3 i3+ i7158 J7 7150 7550 and
Lithium Roomba Replacement Battery for iRobot Roomba 980, 960, 895, 890, 860, 695, 690, 680, 675, 640, 614, 900, 800, 700, 600, 500 Series and Scooba 450, 4400mAh - CE Certified Battery Pack - Vacuum And Dust Collector Accessories - Amazon.com