1. It adopts DC series excited machine, which is characterized by strong capacity for overload protection, high torque, long full charge endurance and ablation resistance;
2. The continuously variable transmission is characterized by stability and low noise;
3.  It adopts tubular lead-acid battery and polyster pipes, featuring low resistance and good acid-permeability;
4. The two-stage intelligent charger, which is characterized by energy efficiency, is adaptable to wide voltage and available for continuous regulation of current; 
5. The controller has the runaway protective function, which makes driving safer;
6. It is equipped with the drum brake, featuring good braking performance.