The motor's 800W, 1000W, 1200W, 1500W, these are the nominal power of the motor. In theory, according to Newton's second law, P = F * V, in order to maintain the motor output torque Next, in order to increase the motor speed, it is necessary to increase the motor power. Therefore, the higher the motor power, the faster the electric vehicle will run. This is of course the condition that the battery supply energy can be satisfied.
Although each type of car has differences in efficiency, load, tire pressure, and wind resistance. However, under the determination of the motor power, the speed at which this electric vehicle can run can basically be determined. For example, a 800W motor, the car can run at a speed of 40 km / h. 1000W can run about 45 km / h, 1200 W about 48 km / h, while 1500 W can run about 52 km / h, 2KW can be 58 km / h, 3KW above 65 km / h or more no problem.