Most DC fast-charging operators in the U.S. prohibit non-approved adapters. Extension cables and breakaway adapters are also ...

Also called an "AC adapter" or "charger," power adapters plug into a wall outlet and convert AC to a single DC voltage. Computers use multiple DC voltages, and the power adapter is the external ...

A device that transfers power to smartphones, tablets and myriad portable devices. USB chargers plug into an AC outlet and provide a USB Type A or Type C socket to cable DC power to the device.