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
MIGHTY MAX BATTERY 14.4v Battery for iRobot Roomba 416 4210 4170 Vacuum Cleaner MAX3471764 - The Home Depot
My trusty 2006 Roomba Discovery, still regularly cleaning my workshop. I've repaired him several times over the years, and have just replaced some MOSFETs and transistors, but he's still reliable and hard
Mighty Max 14.4v Battery for Roomba Discovery 400 410 418 4000 APS 4905. | eBay
Chapter 11: How to Replace Roomba Discovery Drive Wheel | RobotShop Community
iROBOT ROOMBA DISCOVERY MODEL 4211 W/HOME BASE & CHARGER -PARTS ONLY | eBay