Denaq® DQ-384020-7450 19V Replacement AC Adapter for HP® LaptopsDenaq DQ 384020 7450 19V AC Adapter Replacement Power Supply for HP Laptops (65W) The **Denaq DQ 384020 7450** is a high quality **replacement AC adapter** designed to provide **19 volts at 4. 2 amps (80W max)** for select **HP laptops**. With its **7. 4mm x 5. 0mm barrel connector** and robust safety features, this adapter is ideal as a replacement or backup for powering your HP notebook. It includes built in protections against **overvoltage,