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
bateria irobot 880 – Heureka.sk
Amazon.com: GUSHINE 3500mAh NiMH Battery for iRobot Roomba R3 500, 600, 700 & 800 Series, 3.5Ah 14.4V Advanced Power System (APS) Battery Replacement 500 550 630 650 770 780 880 and More : Home & Kitchen