Amazon.com: iRobot Roomba Authentic Replacement Parts - XLife Extended Life Battery - Compatible with Roomba 400 600 700 800 Series Robots : Home & Kitchen
iRobot Original Li-ion Battery 3300mAh/14.4V Roomba 680, 690, 890 and 900 Series
6800mAh Battery For iRobot Roomba 500 510 530 560 600 605 700 800 Series li-ion | eBay
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
How To Remove and Install Battery | Roomba® 800 series | iRobot® - YouTube