Sebastian Köln wrote:I am not convinced by them… tricky to replace when they fail. And they will be outdated in a year or two when the USB specification is advanced again. I think you will find far better USB chargers that plug into a socket.
D Nikolls wrote: AC plugs are entirely inert devices. No power draw. No failure points beyond physical wear and damage.
The USB plugs, not so much.
Eric Hanson wrote:I don’t know what the wear qualities of the USB plug will be, but I am fairly certain that the power specifications will remain compatible. The USB standard has a consistent history of backwards compatibility so personally I am not concerned on that front. As far as getting it actually hooked up, it was no different than any other ac plug.
Phil Gardener wrote:Any idea if that is pulling current all the time, whether you are using it or not? I have power strips on which I can switch off individual outlets to avoid vampire loads.
Rebecca Norman wrote:By the way, when I purchased a small device recently, the salesman told me to only charge it from my computer USB port. He said that reports of their device burning out or failing seem to happen when people charge directly on a fast charger. So I guess not all USB ports and devices are exactly equal!