3300mAh Lithium Ion Battery for iRobot Roomba Cleaner 900 800 700 600 Series 960 980 981 965 895 890 860 695 692 690 680 675 - AliExpress
Amazon.com: for iRobot Replacement Parts Roomba Lithium Ion Battery Compatible with Roomba 960/895/890/860/695/680/690/675/640/614 4376392 Series 4INR 19/65 14.4V 1800mAh/26Wh (3300mah) : Home & Kitchen
Amazon.com: 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: iRobot Roomba Authentic Replacement Parts – 3300 Lithium Ion Battery - Compatible with 900 and Select 600 & 800 Series : Home & Kitchen