3v-12v AC/DC Universal Power Adapter 30W 2500ma Reversible Polarity USB 8 Tip

Output: 3V/4.5V/5V/6V/7.5V/9V/12V 2500ma. New More Powerful 30W Version. NEW model now has REVERSIBLE DC Tip Polarization - Both Center/Inside Positive (+) Outer/Outside Negative (-) and Center/Inside Negative (-) Outer/Outside Positive (+) Can be Set by Removing Tip and Placing it in Opposite Position.

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