Amazon.com: 1800mAh 1800LI Battery for iRobot Roomba 985/980/965/960 /900/896/895/891/890/880/870/860/850/805/801/800/790/780/770/760/700/696/695/690/680/675/670/660/640/620/615/614/600/595/580/550/510 14.4V 26Wh : Home & Kitchen
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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