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Amazon.com: for iRobot Replacement Parts Roomba 1800LI Lithium Ion Battery Compatible with Roomba 960 895 890 860 695 680 690 675 640 614 Series 4376392 14.4V 26Wh 1800mAh : Home & Kitchen
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
iRobot Roomba 640 Robot Vacuum Just $229.99 Shipped (Regularly $300)
Roomba 640 Review: Is This Roomba Worth Your Money?
iRobot Roomba j7+ (7550) Wi-Fi Connected Robot Vacuum with Automatic Dirt Disposal Graphite j755020 - Best Buy