One of the benefits you said is that it is even worse to maintain the battery. The unstable voltage and current of the pedal are connected in parallel with the power supply, which is completely increasing the burden of the power supply. In this way, the power supply will collapse faster and the battery will be recharged many times. You are equivalent to charging the power supply at any time, but it is unstable. It is strange that the battery is not broken. . .
Instead, you change it, use the electricity generated by the pedal to other aspects, such as car lights, and use pedal electricity instead of battery electricity, which also achieves the effect of saving electricity, but the problem is still one: the disadvantage of pedal power generation is that the voltage is unstable, which will damage electrical products at any time. . .