According to how far the car can go in 3 hours with 6 batteries: about 15 kilometers.
Under normal circumstances, 500W motor, 60V20Ah electric vehicles, the speed can be 40km\/h, in the case of guaranteed speed, the longest range. Under the weight of 150kg driving, you can drive for about 2 hours, the range of up to 80km, 500W, 60V32Ah electric vehicles, 40km\/h, you can drive for about 3 hours, the range can reach 120 kilometers.
If the six battery electric vehicle, that is, the 72 volt electric vehicle, if it is 20 amps, in the case of the battery without electricity, after charging three hours of electricity, if the tricycle is empty, it can basically run to 15 kilometers to 20 kilometers. The general 72 volt 20 amp battery, charged in the absence of electricity, takes eight hours to be full, and can run to 45 kilometers to 50 kilometers after full.
Should be able to run about 20 kilometers