moveable solar and battery supplies the power to the freezer energy- ... doors, thick insulating course and good insulation. 3,storage battery power supply, move easily, charge one time can ... the freezer for 8 hrs 4,stable and elegant tricycle to carry the freezer, easy to sell ice-cream ... HQ(freezer+ bicycle)70 PICTURES SHOW ice cream tricycle, movable freezer bike, battery tricycle,mini freezer bike