Electric Vehicle Range Extender Generator Ultra-quiet Three-four-wheeler 60v72v

Description

Double air filter reduces suction noise
Our model is based on your driving current to control the throttle. If you are on a flat road
As long as 20 amps of driving current will give you a throttle of 20 amps of driving current
This has the effect of saving oil and reducing noise, and can more effectively protect the life of the battery