Due to the size of the products manufacturers will normally provide a parts warranty only. It does not make economical sense and thus only parts can be returned, not the full scooter or bicycle. All items come with a manufacturer warranty and thus all normal warranty rules apply.
All products will usually detail what to do if a buyer if a buyer runs into trouble.
We also maintain close contact with our suppliers hence you can also purchase spare parts afterwards to prolong the life of your scooter or electric bicycle example extra batteries. ( One trick used by many people ( have a battery at home and one say work ) for everyday use.