... years warranty 2)High efficiency 3)Active PFC (over 0.95) 4)EMC standards Black Switching Laptop Power Adapter 12V/4A/ ... 10,000 displays and 500,000 switching power products.Due to our high-quality products and efficient services, our company establishes ... .With the principle of "depending on scientific management, making quality products, keeping progressing, meeting customers' needs constantly", our ...