With the development of science and technology, the functions of various mobile terminals are more and more advanced and powerful, and the required battery capacity is also larger and larger; However, people in some African countries mostly use mobile phones with low battery capacity, and some products in the domestic consumer electronics market also use small battery capacity; The charger power they need is not large, but the price is cheap. The original constant current and voltage scheme launched by our company for this market has the advantages of low cost, high efficiency, small peripheral devices, high reliability and high accuracy of output voltage and current. Welcome to consult.