Synergy Digital Vacuum Cleaner Battery, Works with Vileda 137173 Cleaning Robot Vacuum Cleaner, (Ni-MH, 14.4V, 4000 mAh) Ultra High Capacity, Compatible with Auto Cleaner 11702 Battery - Walmart.com
Vacuum Cleaner Left Right Wheel Motor for Vileda VR302 Robot Vacuum Cleaner Parts Wheel Engine Replacement - - Amazon.com