Roomba Battery (500 Series ) Reset Procedure by RobotShop.com - YouTube
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
ROOMBA BATTERY. Troubleshooting
Reset the Roomba battery 500 and 600 series
iRobot Roomba Battery pack rebuild - Schneor Design and More