The USB power charger allows fast and convenient charging of mobile devices (e.g. smartphone, tablet, laptop) using up to 100 Watt charging output (power supply) in the vehicle. The USB power charger has a type C charging connector. Connection in vehicle through the 12 volt socket. The transmission of the maximum charging current of up to 100 Watts requires the simultaneous use of a special 100 Watt power supply capable adapter cable. The amount of charging current and the associated speed of the charging process depends on the connected mobile device and various other conditions and can vary.