Tesla continued popularity in recent years become a hot brand auto industry discussions, many practitioners started thinking about why there are not born this brand. Currently, some small electric car is very popular in urban and rural areas, the market prospect. However, many people believe, low voltage small electric car, limited electrical power, the use of lead-acid batteries can generate pollution should focus on high-end electric vehicle research and development. In fact, as technology advances, the above problems are improving. In the long run, small electric cars will help promote greater scale batteries, motors and other key technologies. Development of electric vehicles should respect the market selection, like the government as long as the proper guidance.