Replacement Battery for Roomba 500 600 700 Series APS Battery 555 595 620 630 650 660 790" - Walmart.com
Kingsener 1800LI Li-ion Battery For iRobot Roomba 985 980 960 880 Series - BatteryMall.com
DC 14.4V 1800mAh 26Wh 1800LI Replacement Parts for iRobot Roomba 1800 Lithium Ion Battery- Compatible with Roomba 960/895/890/860/695/680/690/675/640/614 - Walmart.com
iRobot Original Li-ion Battery 2210mAh/14.4V for the Roomba 'e', 'i' and 'j' Series