Wheelchairs, Mobility Scooters and Accessories Mobility & Daily Living Aids, Mobility Aids & Equipment, ROVI, Wheelchair Accessories ROVI USB Connector Review by RoomPony June 8, 2018 No Comments 10.5” Length Input: 12V/24V DC Output: 5V DC 2.1A max The ROVI USB Connector provides easy charging on the go of electronic devices from your ROVI X3’s battery system. More USB charger kit for ROVI Powered Wheelchair.