iRobot Roomba® i7+ (7550) Wi-Fi® Connected Self-Emptying Robot Vacuum, Smart Mapping, Works with Google Home, Ideal for Pet Hair, Carpets, Hard Floors - Walmart.com
Amazon.com: IBATTS 5200mAh S9 Replacement Battery Parts for Irobot Roomba S9 S9+ Plus 9150 9550 Vacuum Series-4INR19/65-2, ABL-B 14.4V 48WH : Home & Kitchen
Replacement Battery for Roomba 500 600 700 Series APS Battery 555 595 620 630 650 660 790" - Walmart.com