The charging speed of household new energy vehicles is relatively fast. With the continuous development of technology, modern new energy vehicles are equipped with efficient charging equipment, which can complete charging in a short time. Generally speaking, household new energy vehicles can finish charging within a few hours, depending on the vehicle model and battery capacity. In addition, with the popularization of charging piles, more and more charging piles have been built in cities and highways, etc., making it convenient for vehicle owners to charge at any time. As a result, the charging speed of household new energy vehicles has been greatly improved to meet people's demand for travel convenience.