The portable charging box of electric vehicle is designed to facilitate the charging of electric vehicle owners anytime and anywhere. It is a compact and portable charging device, which can be carried with you and provide charging service for electric vehicles at any time. The equipment has the characteristics of safety, reliability, durability and superior performance. Designed in accordance with the latest national standards, it is compatible with pure electric vehicles, plug-in electric vehicles and other electric vehicles; It can charge electric vehicles from the AC power grid anytime and anywhere.With the popularity of electric vehicles, the demand for this portable charging box will also increase, and this charging device will be more widely used and developed in the future Portable charging box of electric vehicle has great practicability in daily use. For example, during long-distance travel or business trip, the owner can put the charging box in the car to provide charging service for the electric vehicle at any time, avoiding the situation of insufficient charging. In addition, when traveling in the city, the owner can also carry the charging box with him to charge the electric vehicle at any time, so as to ensure sufficient power and avoid the situation that the vehicle cannot run.1. portability. The portable charging box of electric vehicle is usually small in size, light in weight and easy to carry. The owner can put the charging box in the car or carry it with him to charge the electric vehicle at any time. 2. safety. Electric vehicle portable charging box usually has multiple protection measures, such as over-current protection, over-voltage protection, over-temperature protection, etc. These protective measures can effectively avoid potential safety hazards during charging. 3. reliability. Portable charging boxes for electric vehicles are usually made of high-quality materials with good durability and anti-interference. At the same time, the charging box can also adapt to different charging environments to ensure charging efficiency and stability. 4. compatibility. The portable charging box for electric vehicles can be compatible with different brands of electric vehicles and different types of power interfaces, which is convenient for car owners to charge in different occasions.What is your terms of payment? A: Alibaba online fast payment, T/T Do you test all your chargers before shipping? A: All major components are tested before assembly and each charger is fully tested before shipped Can I order some samples? How long? A: Yes, and usually 7-10 days to production and 7-10 days to express. How long to fully charge a car? A: To know how long to charge a car, you need to know the OBC(on board charger) power of the car, the car battery capacity, the charger power. The hours to fully charge a car =battery kw.h/obc or charger power the lower one. For e.g, the battery is 40kw.h, obc is 7kw, charger is 22kw, the 40/7=5.7hours. If the obc is 22kw, then 40/22=1.8hours. Are you Trading Company or manufacturer? A: We are professional EV charger manufacturer.