It is very common today that a lot of devices or PCB boards used USB power supply as well as USB data transmission, and using muleteer is the traditional way to monitor the voltage and current or your devices. Now this is a direct USB voltage and current monitor, see the value directly out from the display.

  • Connect this tool in between your USB power source and your USB devices/boards, voltage and current will be displayed in turns. Plug to use.
  • Monitoring the charging current or power consumption easily on load or not on load, or check if the power source’s voltage and current is correct
  • Measure range 3.5-7V and 0-2.5A.
  • Resolution 10mV and 10mA
  • Voltage drop 200mV
  • Compact, portable, and also precise.

Each purchase for one unit only.

Documentation please see here.

Additional information

Weight 0.03 kg

10 reviews for USB Voltage Current Energy Meter Tester

  1. 5 out of 5

    lunakid (verified owner)

    Very nice one, I love it.

  2. 5 out of 5

    cly2 (verified owner)

    Very usefull to verify if the charge of any MP3 is finish!
    You can see the current decrease till the end (10mA is the end for some, 60mA for other: the end is reached when it doesn’t change any more)

  3. 5 out of 5

    jcding (verified owner)

    Very cool device to have. It’s cheap and useful for measuring USB port current.

  4. 5 out of 5

    remymorra (verified owner)

    very usefull 😀

  5. 5 out of 5

    cbbxl (verified owner)

    Looks like a gadget, but it’s very useful to know the current draw of a device, or if a battery is still charging or not (for instance e-cig batteries which are not accurate)

  6. 5 out of 5

    prathibha (verified owner)

    Handy little gadget to see how much current a device is drawing from a USB port.

  7. 5 out of 5

    maguye007 (verified owner)

    Works as advertised

  8. 5 out of 5

    geraldhasmail (verified owner)

    Awesome, a great tool for diagnosing many USB issues.

  9. 5 out of 5

    diazfjg (verified owner)

    Good tool, especial for current consumption check of my projects.

  10. 5 out of 5

    vestale (verified owner)

    Very useful to check USB charging.

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