Cameron Sino Technology replacement battery for iRobot vacuum devices - HHD10520 at Batteries Plus
How to Remove and Replace Battery on iRobot Roomba i-Series - YouTube
Battery Replacement IROBOT Roomba 612, How To - HardReset.info
Amazon.com: iRobot Roomba Authentic Replacement Parts - XLife Extended Life Battery - Compatible with Roomba 400 600 700 800 Series Robots : Home & Kitchen