“What is the polarity of the power adapter? I lost the original.”

1-4 of 4 Answers

• The center conductor is positive. 5V, 4 Amps.

  Answered by Jack711 7 years ago

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• 5.0 V at 4.0 A, positive tip

  Answered by maxwellb 6 years ago

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• See pic below.

  Answered by Brendan 7 years ago

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• You are working with alternating current, there is no polarity. The switch, on the other hand, can only be plugged into a USB connection one way; it can't be reversed due to it's physical design.

  Answered by John 7 years ago

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