It doesn't work that way. It is an output ONLY. It isn't just a connector there are electronics inside that change the voltage.
Originally Posted by jknight8907
What kind of amps is the USB plug capable of carrying? Not for charging a device, but for the other way around. I have one of your plugs on my R6, and if it could handle 2 amps I'd like to run my trickle charger through it instead of connecting to the battery.