Amazon.com - iRobot Self-Charging Home Base 4931 (Compatible with iRobot Dirt Dog, iRobot Roomba 400 Series and Discovery Series) - Robotic Intelligent Vacuums
Why Won't My Roomba Charge? Tips To Fix Your Robot Vacuum | Digital Trends
Roomba i7 won't dock (finds dock but continuously travels up and down until the battery dies) : r/roomba
I keep having charging issue. It's on the charging dock but it can't charge at all. Anyone know how to fix the problem? : r/roomba