Universal Car DC Laptop Power Charger Adapter Converter

This unit will provide a DC output of 15, 16, 18, 19, 20, 22 or 24 Volts at 80W continuous
load. The input can be from 11V to 14V. This is ideal for cars, boats,trucks, airplanes, and other DC power sources.
Advantages:

High efficiency rate (82%) Will not drain your battery as fast as a DC to AC inverter. Eliminates your original AC power adapter, less devices and cords to carry. No high voltage hazard.