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I spoke with our head technician at work today about usb ports in cars. he was saying a USB puts out 5 volts (amps? I forget now. I failed grade 9 science because I have a hard time with electricity). He explained to me certain items like a GPS require 3 volts. In which case the usb will charge the GPS, but you can't have it plugged in and running. HE suggested my Go Pro could be the same thing.
It's plugged in and charging right now. So I don't know.
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Life's too short to drive a boring car
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