Compatible Laptop Car/Truck Power Supply (Car Adapter, Input Voltage 12/24V) 19V 6.3A Fits UNIWILL M31ei1
This laptop car/truck power supply (laptop car truck adapter) has an input voltage range of 12 to 24 V and is therefore suitable for cars with 12 V electrical supply as well as for trucks with 24 V on-board voltage. It has a plug for the cigarette lighter socket in the truck, car, caravan and a plug that fits into the power supply socket of your notebook.