2x Batteria 11702, VAC-500NMH-33 per iRobot 3300mAh
Amazon.com: iRobot Roomba Authentic Replacement Parts - XLife Extended Life Battery - Compatible with Roomba 400 600 700 800 Series Robots : Home & Kitchen
Roomba Batteria di ricambio per Aspirapolvere Robot Roomba 980 Ioni di Litio 3300 mAh - 4462425
14.4v 12800mah Replacement Ni-mh Battery For Irobot Roomba 500 600 700 800 Series For Roomba 880 760 530 555 560 581 620 650 - Rechargeable Batteries - AliExpress