Amazon.com: iRobot Roomba Authentic Replacement Parts - XLife Extended Life Battery - Compatible with Roomba 400 600 700 800 Series Robots : Home & Kitchen
Amazon.com: 3300mah 48Wh Replacement Parts 3300 Lithium Ion Battery for iRobot Roomba 985/980/960/600/800 Series Robots 614/615/640/652/665/670/671/675/677/680/685/690/695/801/805/850/860/877/890/891/895 : Home & Kitchen
HQRP 3300mAh APS Battery Works with iROBOT Roomba 531/533 / 536/537 / 551/561 / 563/564 / 571/577 / 578/600 / 611/790; 800/880 Series [Vacuum Cleaning Robot] Replacement : Home & Kitchen - Amazon.com