Amazon.com: iRobot Roomba Authentic Replacement Parts - XLife Extended Life Battery - Compatible with Roomba 400 600 700 800 Series Robots : Home & Kitchen
14.4V Ni-MH Battery Replace for iRobot Roomba 500 600 700 800 900 Series 880 960 | eBay
Amazon.com: iRobot Roomba Authentic Replacement Parts - XLife Extended Life Battery - Compatible with Roomba 400 600 700 800 Series Robots : Home & Kitchen
Lithium Li-Ion 4400mAh Replacement Battery (2Hrs+ Run Time) for iRobot – Cybertech