Replacement Battery for Roomba 500 600 700 Series APS Battery 555 595 620 630 650 660 790" - Walmart.com
6.4AH Replacement Battery For iRobot Roomba 500 Series 600 700 800 780 650 14.4V | eBay
Roomba 500, 600, 700 and 800 Series Li-ion 4400mAh/14.4V Plus.Parts Battery for iRobot
Amazon.com: 1800LI Replacement Parts Battery for iRobot Roomba 985/980/960/600/700/800 Series Robots 614/615/640/652/665/670/671/675/677/680/685/690/695/790/780/770/760/700/801/805/850/860/877/890/891/895 : Home & Kitchen