Car Charger. Features: Designed for Inspire 2 is used to charge the Intelligent Flight Battery or remote controller through a car’s cigarette lighter port. When charging the Intelligent Flight Battery, the Inspire 2 Intelligent Flight Battery Charging Hub is a must. 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. DC Input: 12.3-16 V (Sedan) ; 25-30 V (Coach). Charge Time: 2 Batteries: Approx. 2 hr 30 min, 4 Batteries: Approx. 5 hours and RC: Approx. 3 hr 40 min.