So I've tended to assume, possibly stupidly, that if a device relies on a USB power connection at all then any old AC->USB power adapter is fine to use for it and substitutable for a computer USB port ...
How many watts can a USB port actually output? The answer depends on your cable and protocol. Here is the ultimate guide to ...
Worried about phantom power? Discover if a plugged-in USB charger drives up your bill, how to measure it yourself, and tips ...
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