Leading tell you why it is necessary to prepare a car charger

Owners will also found that the car comes with a USB interface, can charge their phone. But most of the car USB interface is designed to transmit data, current 500 ma, charging efficiency is very low. If you use a mobile phone navigation, filling the power is not enough even navigation consumption. Our mobile phone, tablet, for example, mobile phone charging the commonly used specifications for 5 v / 1 a, tablet charger specifications for 5 v / 2 a. So to achieve faster charging efficiency, 1 a or larger output current USB car charger is the best choice!

The car charger design are all in the position of the cigarette lighter, many manufacturers introduced a multi-function car charger: USB interface, even bring the function of cigarette lighter car charger. This kind of multi-function car charger not only does not affect the function of the car itself, also expanded the more functions, to charge, cigarette lighter, data transmission of no effect, greatly facilitate the car use.