1-2X 6800mAh Akku für iRobot Roomba 500 600 700 800 620 660 790 780 880 900 SS | eBay
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iRobot Roomba 780 Review | Trusted Reviews
AboutBatteries Akku für IROBOT ROOMBA 780, 14.4V, 2800mAh, NI-MH: Amazon.de: Home & Kitchen