The Car Charger for Phantom 4 is used to charge the Intelligent Flight Battery or remote controller through a car's cigarette lighter port. It comes with low-voltage protection and overheating protection which automatically cut off charging if your starting battery voltage is too low or cigarette lighter port exceeds a certain temperature.

Specifications
Product Model: C4S90-4
Operating Temperature: 32° to 104° F (0° to 40° C)
DC Input: 12.3-16 V (Sedan); 25-30 V (Coach)
DC Output: 17.4 V; 5.17 A; 90 W
Charging Time*: 1 hr 10 min (Intelligent Flight Battery)
3 hr 20 min (Remote Controller)

* The charging time was tested in a lab environment at room temperature (25℃) and should be taken as reference only.