Amazon.co.jp: iRobot Roomba 700 Series, for Long Life 3 Year Battery and consumables 1 Year Minutes Special Set [Orange Line Manufacturer's Warranty] vce-700ss _ Llife : Home & Kitchen
3300mAh Battery For iRobot Roomba 600 700 800 900 Series 650 660 690 960 964 | eBay
Amazon.com: 14.4V 4.5Ah Replacement Battery for Roomba Compatible with Roomba Battery R3 500 600 700 800 900 Series 500 510 531 535 540 550 552 560 570 580 595 620 650 660 700 760 770 780 790 800 900 with brush : Home & Kitchen