Looking for a reliable AC/DC power supply adapter? Look no further than the Potrans UP04821120. This OEM adapter provides 12V output voltage and 4A current, making it perfect for a variety of electronics. It comes with a cord for easy use, and the 3-contact AC male US connector and 5.5x2.5mm connector make it compatible with a wide range of devices. Whether you need it for personal or professional use, the Potrans UP04821120 is a great choice.