Amazon.com: iRobot Roomba Authentic Replacement Parts - XLife Extended Life Battery - Compatible with Roomba 400 600 700 800 Series Robots : Home & Kitchen
iRobot Roomba 655 Pet Series Battery Replacement - iFixit Repair Guide
Amazon.com: Replacement for iRobot Roomba 552 Pet Series Battery and Filter - Kit Includes iRobot 1 Battery and 1 Filter : Home & Kitchen
iRobot Roomba 595 Pet Series Battery Replacement - iFixit Repair Guide