Phantom 4 - Car Charger Kit with Free Luckybird USB Reader 1 pc 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)