The reason why the car charger display light flashes is:
< br >
When the voltage is unstable during charging, the car charger does not turn on and flush, and the mobile phone or other smart electronic products generally open the flush monitoring and detection procedure. If the program detects that the vehicle flush voltage is unstable, it prohibits the flush. When using the seat, there will be no program for detection, it is recommended to use the usb interface of the car audio computer system to charge, whether it is a line or a seat
If the car charger is connected to the mobile phone, if it has been flashing, get the normal mobile phone charger to try, if normal, then replace a car charger or mobile phone line, if not, it indicates that the car circuit has a problem.
It is normal that the digital display car charger, the voltage index will keep changing, because the mobile phone belongs to the pulse form, so the current is strong when weak, the car charger will be displayed.