Customized 5200mAh 14V Rechargeable Lithium Battery for Irobot Roomba 500 600 700 Series 14V Lithium Ion Battery with CE /Un38.3/ IEC62133/MSDS - China Lithium Battery, LiFePO4 Battery | Made-in-China.com
How to Replace the Battery | Roomba® 600 series | iRobot® - YouTube
3300mAh Battery For iRobot Roomba 600 700 800 900 Series 650 660 690 960 964 | eBay
Replacement Battery for Roomba 500 600 700 Series APS Battery 555 595 620 630 650 660 790" - Walmart.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 | Pricepulse