Although a good number of cars being produced today offer USB integration, the charging speed of a vehicle charger only offers about 1 amp of output, which is not enough to keep up with a modern-day smartphone trickling out battery life while using Apple or Google maps. In this scenario, ITX builts in-vehicle USB charger with 5V 2.4A of dedicated adaptive power output per USB port. It has built-in safeguards that prevent your devices from excessive current or overheating.