Amazon.com: 1800LI Battery for iRobot Roomba 985/980/960/600/800 Series Robots 600/614/615/620/640/652/660/665/670/671/675/677/680/685/690/695/760/770/780/790/800/801/805/850/860/877/890/891/895/896/960/965/980 : Home & Kitchen
Replacement Battery for Roomba 500 600 700 Series APS Battery 555 595 620 630 650 660 790" - Walmart.com
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