This product is customized by French customers who have cooperated for many years. Because of the upgrade of the customer's own equipment, it needs to be used with a smaller rechargeable power supply. When the customer asked for the demand, the engineers first met to study the customer's product requirements. After many communication with the customer, the feasibility of the product development was confirmed. After a month, the EPS switch power supply with beautiful appearance was finally developed. And named 4304EN. This product adds the function of charging overvoltage and undervoltage protection based on the original EPS switching power supply, which greatly improves the service life of the product. Moreover, the new shell used this time also has anti-oxidation function, and multiple vent holes are Let the product not be hot in time for long hours of work, keep a good working condition!