Amazon.com - iRobot Roomba Authentic Replacement Parts - Roomba 1800 Lithium Ion Battery - Compatible with Roomba 960 895 890 860 695 680 690 675 640 614 -
Genuine Replacement Battery Abl-d1 For Irobot Roomba I7 I7+ I8 E5 E6 E6198 7550 I7158 I4 E515020 E5154 1800mah Original Battery - Mobile Phone Batteries - AliExpress
Amazon.com: iRobot Roomba Authentic Replacement Parts - XLife Extended Life Battery - Compatible with Roomba 400 600 700 800 Series Robots : Home & Kitchen