Sounds like it's better to buy an inverter and run the ac charger instead
That's exactly what I did. The DJI car charger would not work in my 2017 Ford Fusion. Pulled out my inverter and put it in the same socket and used the AC charger. Works great.
 
				
		 
			 
										 
  
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
  
  
  
  
  
 