Basic performance of electric bicycles

The basic performance of electric vehicles has not yet been fully standardized, but electric vehicles should have the following performance:
1. Vehicle speed, the speed of electric bicycles is 20km/h (national regulations)
2. The load capacity, vehicle body itself and its accessories should comply with the principle of returning home quality, and the total load capacity should not be less than 75kg
3. Acceleration performance, with sufficient battery power. On straight roads, electric bicycles can start at a maximum speed of 20km/h and have a maximum driving distance of no more than 8m
4. Climbing ability, with an electric vehicle having a climbing ability of no less than 7 degrees
5. The driving capacity of charging once is not less than 25km
6. The lifespan of the motor shall not be less than 300000 km for brushless motors and 60000 km for brushless motors
7. The battery life shall not be less than 300 times when the lead-acid battery is fully charged and discharged
8. Infinitely variable speed
9. The controller and charger should be intelligent, with the controller panel displaying the remaining battery power and speed, as well as basic protection functions such as undervoltage protection, overcurrent protection, brake power outage, etc.