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Amazon.com: TREE.NB 22.5V 1.25A Fast Battery Charger Adapter for Irobot Roomba 880, 800, 700, 600, 500, 400Series; 770 650 Pet 780 630 560 530 760 550 700 500 660 4210 540 : Home & Kitchen
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Hands-on with the iRobot Roomba 780: My belated first date with a floor-sweeping robot - here's the thing
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