Amazon.com: iRobot Roomba Authentic Replacement Parts - XLife Extended Life Battery - Compatible with Roomba 400 600 700 800 Series Robots : Home & Kitchen
4500mAh Battery for ROOMBA 540 545 550 552 555 PET 555 560 561 562 563PET 758381955913 | eBay
Batteria iRobot 14.4V, 4500mAh, non originale | AMPUL.eu