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
Amazon.com: Battery 4000mAh for Roomba 960/965/980/985/801/805/850/860/877/ 890/891/895/896/640/652/665/670/671/675/677/680/681/685/690/691/695/696/614/615/640, P/N 2130LI, 4374392, 4376392, 4462425,4502233 : Home & Kitchen