It's a little smaller than i imagined but it still gets the job done. I like having the additional usb port option which came in handy on our family trip.

Quick charging and cord is a good length. I think it works faster than the factory charger from samsung. I like that i can pull out another cable and plug it into the unit when i have passengers that need to charge their phone.

It takes jiggling, and pressing up & down to try to seat a connection. If i use gps while it is plugged it, the battery actually decreases while charging. This is definitely not a rapid charging cable, and my previous * one that i got from a dolla...  Read More

Given the poor quality of the cord and the constant tension on it when plugged in, i doubt it will survive more than a few weeks before breaking. Less if you have a larger vehicle that requires it to stretch farther. Lasted less than 3 months.

No power comes out of micro usb, yet 2nd (normal) usb port is powered. Poorly costructed; fits loosely with device so charge is unstable. As i need micro usb for a car, this goes back through amazon returns.