USB  PORT  POWER  TESTER

 Prevent damage to your USB devices due to incorrect USB port wiring
An indispensable tester for Electronics Professionals, Technicians, Assemblers and Testers.

  Detects the following conditions:
  – NO Power
  – Power OK
  – REVERSED Polarity
  – Intermittent Power Problems

      > PATENTED <

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Key Features:
– Easy to use. Just plug-n-test.
– No drivers or software required.
– Works with any Operating System.
– Works with USB version 1.0, 1.1, 2.0 and 3.0.
– Includes hole for lanyard installation.
2 year warranty.

CE Certified
CE Certified
FCC Certified
FCC Certified
RoHS Compliant
RoHS Compliant

EverythingUSB“First Line of defense against bad USB Ports”

TechnologytellGadgetellSmall“Solution to your USB port wiring Problems”

Techchee“Useful for checking USB ports before they destroy your Mobo”

Noticias3Dlogo“How to prevent ‘killing’ your Pen/Flash Drive”
(In Spanish)

What our clients are saying.


“As an IT Tech – Invaluable tool  –  Excellent – Thanks”

Stephen J.  –  UK

“Entirely correct, very good product. Thank you.”

Pablo I. – USA

“Now I don’t have to sacrifice any more USB devices to faulty ports. Thanks.”

Doug H. – Canada

“Great item! Very helpful!!
HIGHLY RECOMMENDED!”

Richard D.  –  Canada


“The tester works great. I lost a memory stick because the connector to the motherboard was labelled wrong. The tester solved the problem. I now carry it with me and always test a computer before I put in my memory stick, just to be safe.”

– Robert R.  – USA

“We had 3 problems with reversed polarity with computers that were brought in for repair, which destroyed 3 flash drives in our shop. Now, we just test the USB port before using our USB devices and we don’t even have to open the case and check the connections.Thanks!”

Phil M. – Portugal