Roomba 675 vs. 690 — Side-by-Side Roomba Comparison
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 -
New Battery for iRobot Roomba 675 676 677 680 681 685 690 691 694 695 696 699 - Walmart.com
New Battery for iRobot Roomba 675 676 677 680 681 685 690 691 694 695 696 699 - Walmart.com
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