Amazon.com: for iRobot Replacement Parts Roomba Lithium Ion Battery Compatible with Roomba 960/895/890/860/695/680/690/675/640/614 4376392 Series 4INR 19/65 14.4V 1800mAh/26Wh (3300mah) : Home & Kitchen
5200mAh Lithium Ion Replacement Battery for iRobot Roomba 960 980 981 970 965 80 | eBay
14.4V Ni-MH Battery Replace for iRobot Roomba 500 600 700 800 900 Series 880 960 | eBay