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Question:

Can i make a USB cable that has one plug for data and one for power by putting two together?

I need this for my HD slim that just gets power from USB and my music class the USB items they use suck all the power.but i have a wall USB power source.

Answer:

Yes I'm sure this would work. Just solder the red and black wires to an other usb cable and leave the other 2 data ones going into the computer. Plug the power usb cable into your adaptor and It should work. The device is still getting the 5volts it needs so I see no reason why it shouldn't work.

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