There are no 800W motors being manufactured in this class of vehicle. There are 170W, 270W, 350W, True 500W and 750W motors. Certified means that the motor actually has what it says it has. Triad motors have 8 certifications for inclusion into 165 countries worldwide because they are true and accurate in the specifications. For Example: Other competitive motor tech brands take a 270W motor and do the same thing. Its called advancing the stall current in the controller. They multiply it 3X for peak output of 810W and they call it an 800W motor.