Amazon.com: NASTIMA 14.8V 5000mAh Lithium ion Replacement Battery Compatible with iRobot Roomba 960/895/890/860/695/680/690/675/640/614, Replace The Original 1800mAh Lithium ion Battery : Home & Kitchen
Batteria li-ion 14.8V 5600mAh per iRobot Roomba 900 800 700 600 500 Serie 960 980 985 550 560 610 680 690 780 870 890 675 14.4V _ - AliExpress Mobile
X-Life NiMH Batteria Roomba con Doppia Durata di Vita