If using 84V charger to charge 64V battery, it will damage the diode on the control board, also, it has potential to cause fire accident, the wheel will expolde when over charging.
According to the market feedback, there is a bug in our app. The app will push wrong firmware when upgrading, especially when the users have two or more different king song unicycles......
1. This issue DOES NOT affect any units sold by Speedy Feet.
2. InMotion confirm "no problem <for units> purchased after May ,5,2018"
3. This ONLY affects the V10F and from the date mentioned in point 2. above.