— in this case, devices are meant in which the connection to the 230 V network (see the relevant paragraph) is supplemented by the ability to work from the 12-volt on-board network of the car. For this, the cigarette lighter socket is usually used. Most models with such power supply are boosters (see "Type"), and the connection to 12 V is used to charge the built-in battery "on the go", from the car's on-board network.
