How many watts does a car phone charger use?

How many watts does a car phone charger use? Generally, Quick Charge draws about 18 watts (usually at 5 volts, 9 volts or 12 volts). For example, looking at the following 2-port Quick Charge car charger, you’ll see it’s advertised at 36 watts.

Generally, Quick Charge draws about 18 watts (usually at 5 volts, 9 volts or 12 volts). For example, looking at the following 2-port Quick Charge car charger, you’ll see it’s advertised at 36 watts.