Types of USB Car Charger
WIRED
The wired car USB charger is an older type that dates back to the early cell phones. Since most people didn’t need many devices in the past, the charged only need to cover a single phone. Therefore, the chargers were wired and simply ran from your cell phone to your car’s accessory port.
UNWIRED
Unwired USB car chargers are a modern version of the USB car charger adapter, and they make up a bulk of the USB car chargers available on the market today. The unwired USB car chargers are popular due to their versatility. They can connect to a variety of electrical devices and charge them all at the same time.
MULTIPORT USB CAR CHARGERS
Traditional USB car chargers had a single port. A multiport USB car charger has the capability of charging up to four different devices at the same time. Using smart-charging technology, they can guarantee that all devices docked on the charger are charging at their maximum speed.