Freewheel for outdoor for those able to propel wheels is non electric.
There are ratchet type drives to. Manual powered.
For those needing an electric chair , a power chair will beat most attempts at powering a wheelchair,
The example earlier has crap for ground clearance. Multiple snag/catch points to drag in and to carry snow and leaves and branches nd more.
Somebody has to charge an electric battery. Is the operators dexterity and mobility and reach sufficient?
How long is the operator willing to wait for a charge?
I debate about an electric lift instead of a ramp sometimes.
Sun City Adjustable Hospital Beds are Lift Chair Recliners and Electric Scooter Wheelchairs
electrichomecareproducts.com