Quote:
Originally Posted by pushrod
All USB ports are 5V except for certain high-powered USB3 ports. Otherwise, it's only the amps that vary. Each USB spec allows for higher current than the previous.
Not sure what the twins come with for USB spec. Might be 3.0, but even then, it might do 5V only.
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for sure not USB3.
it is just following standard USB2 sepcs, 5v .5amp
even the small 12v 'lighter' plug I have charges things painfully slow!
need moar amps!