Amazon.com: 4000mAh / 57.60Wh Li-ion Replacement Battery for iRobot Roomba 670, Roomba 671, Roomba 675, Roomba 677, Roomba 680 Part NO iRobot 2130LI, 4374392, 4376392, 4462425, 4502233 : Home & Kitchen
14.4v 4400mAh Batteria di Ricambio agli ioni di litio per iRobot Roomba 500 600 700 800 860 870 880 890 770 780 774 775 790 650 620 675 655 674 605 676 671 615 581 550 560 561 555 530 531 521 520 : Amazon.it: Casa e cucina
Amazon.com: Roomba 770 Battery Replacement
Amazon.com: Roomba 770 Replacement Parts
iRobot Roomba 770 Robotic Vacuum Cleaner
for iRobot Replacement Parts Roomba Lithium Ion Battery Compatible with Roomba 960/895/890/860/695/680/690/675/640/614 4376392 Series 4INR 19/65 14.4V 1800mAh/26Wh (3300mah)