I bought this for a 6 hour road trip to charge my iphone 4S and worked like a charm. I did not have a chance to use both ports so I cannot comment on how well it works using both ports at once. But worked great for my purposes.
- How did the image on site compare with the actual product? Images on site were comparable to product recieved
- Was the product free of any manufacturer defects? Yes
- Please tell us about the quality of the product. I have only used it a few times but seems to be a of good quality