SHNITPWR AC Adapter 120W Universal Power 4V 5V 3.5V-24V 120W, Black
Publisher: SHNITPWR. The knob can be adjusted more evenly, and it can reach 13V ~ 14V by rotating 50%. Increase the off gear to turn off the power without pulling the plug. Add a polarity converter cable, which make it compatible with more devices，doubles its range of application.