Most modern cars offer at least two ways to charge up a smartphone, in the form of a 12V lighter socket and a USB port. The latter could be more convenient for many, as it uses the same cable you ...

The diagram shows the circuit of a versatile USB power socket that safely converts the 12V battery voltage into stable 5V. This circuit makes it possible to power/recharge any USB power-operated ...

Every day, countless family arguments arise on the subject of who gets to charge their device on the move. Sometimes a car just doesn’t have enough power sockets to go round, and that’s why ...