Clarification: USB 2.0 adds in the Battery charging specification 1.0, which allows for dedicated charging and other power goodness. This particular connector is the type a variety.
阐明：usb 2.0加入了在电池充电规格1.0，这个规格允许专用充电和其他电源。
2
Adopting the quick pipe connector to improve system tightness. After being parked for some time, the vehicle can be started without stoping for charging, thus realizing the fuel economy.
采用快插接头，改善系统密封性，停放一段时间后，不需停车充气即可起步，节省油料；
3
What type, connector, and mode of charging will be widely used in the future?