So i bought this to power some led's from my case without needing their own outlet in my surge protector,
and i dident look at the volts, untill now, this is a 5v cord, the led's are 12v, but im only using 2 of the 4, i dont know how volts work, but if im using only half, does that mean its 6 instead of 12, will this cord still power my led's?

Question

So i bought this to power some led's from my case without needing their own outlet in my surge protector, 
 and i dident look at the volts, untill now, this is a 5v cord, the led's are 12v, but im only using 2 of the 4, i dont know how volts work, but if im using only half, does that mean its 6 instead of 12, will this cord still power my led's?

Accepted Answer

I'm assuming that there is some kind of built-in switch that allow you to select 1 thru 4 LEDs, and you are not manually rewiring the circuitry to only enable 2 LEDS? If that is the case, then I can say that you really need a 12v input; 5v from USB won't be sufficient.

Brand	StarTech.com
Model	USB2TYPEM2M
Type	See Details
Color	Black

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StarTech.com USB2TYPEM2M Black USB to 5.5mm power cable - Type M barrel

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Connector Number	2
Connector Detail	1 - USB A (4 pin) Male to 1 - Barrel Power Connector (Size M, OD:5.50, ID: 2.10)

Item#: 9SIA1K6KKC0366