iRobot Original Li-ion Battery 3300mAh/14.4V Roomba 680, 690, 890 and 900 Series
Amazon.com: iRobot Roomba Authentic Replacement Parts - XLife Extended Life Battery - Compatible with Roomba 400 600 700 800 Series Robots : Home & Kitchen
iRobot Roomba 600/800/900 -sarjan Akku 3300 mAh | Kotirobo.fi