Batteria per iRobot Roomba 500 / 600 / 700 / 800 / 900, Ni-MH, 3300 mAh | MediaOutlet.it
Batteria iRobot 14.4V, 4500mAh, non originale | AMPUL.eu
Amazon.com: iRobot Roomba Authentic Replacement Parts - XLife Extended Life Battery - Compatible with Roomba 400 600 700 800 Series Robots : Home & Kitchen