2 of 2 people found the following review helpful
High current means phone charging is fast and good enough to charge while navigation and apps are running,
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This review is from: Anker 4.8A / 24W 2-Port USB Car Charger with PowerIQ Technology + 3ft Micro USB Cable for Samsung Galaxy S6 / S6 Edge, Nexus, HTC M9, Motorola, Nokia and More (Black) (Wireless Phone Accessory)
This charger is exactly what we wanted. The price is right, but more importantly, the power output is good enough to charge a phone fast and even while navigation (GPS + app) and other apps are active. So far we have only plugged in a single phone while driving, but given the good performance for a single phone, I would expect that two phones could be supported just fine.