| Features: 100% brand new and high quality It not only protects the battery and prolongs the battery life, but also increases the operating distance. Overheat protection, the controller will cut off the power when the temperature is above and restart if the temperature is normal. Stable performance, simple and most cost-effective multi-function operation, ease of use , is a compact DC brush-less DC drives. Professional manufacturing, stable characteristics and high reliability,it can provide steady speed and sensitive control of braking and direction changes. The controller shell is made of high-quality metal, has a groove design, has a good heat dissipation function, can protect the internal … | |