There are three scenarios:
First: This may be caused by the low effective efficiency of the car charger.
Second: the voltage of the car charger is higher than that of the mobile phone.
Third: The charging cable is not the original mobile phone charging cable used.
solution
First: Find a big brand car charger to use, such as the United States BELKIN is very trustworthy.
Second: Find a car charger that matches the phone, and the voltage should be the same as the home charger of the phone.
Third: Use the original phone charging cable.
If you are using a car inverter, then use the kind of mobile phone charger at home to charge the phone. Try to use American BELKIN as well. Charging performance will be more stable