Amazon.com - Replacement for iRobot Roomba Discovery Battery, Side Brush and Filters - Kit Includes 1 Battery, 5 Side Brushes and 5 Filters - Household Robotic Vacuums
UpStart Battery Roomba 400 4905 4220 4230 4240 4250 4260 Extended Capacity Replacement Battery for iRobot Roomba, Discovery and iRobot Dirt Dog, Includes UpStart Battery Mouse Pad : Amazon.ca: Electronics
Battery for iRobot 11700 17373 Dirt Dog Discovery Roomba 400 4000 FloorVac 2.0Ah - Walmart.com
Roomba Discovery Review and Testing
Roomba Battery (Discovery Series) Reset Procedure by RobotShop.com - YouTube