Remedied by the car / USB charger with 2 USB interfaces hereby then, both the navigator and the smartphone are receiving power. The charger makes a very solid impression. The manufacturer has the adapter donated an LED, which lights up when voltage is applied. Very good, I also think that in a backup device sits, which can be changed independently without any problems.
Whether navigation system, iPhone or Android smartphone that has RavPower charger performs his service impeccable!
Buy recommendation!