Digital USB In Line Voltage Charging Current Meter

  • Digital USB In Line Voltage Charging Current Meter
  • Digital USB In Line Voltage Charging Current Meter
  • Digital USB In Line Voltage Charging Current Meter
  • Digital USB In Line Voltage Charging Current Meter




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The Digital USB In-Line Voltage Charging Current Meter is a pretty nifty tool that lets you measure the working voltage and current output for any USB port or project.

Simply plug it into a USB port and your USB device and its 7-segment LED display driven by an on-board microcontroller will alternately indicate the voltage and current. By using this tool, you can troubleshoot common problems associated with the charging process – whether your device is heating up, not charging or charging too slow.

Identify the cause of the problem such as charger compatibility, too old charger, or effect of USB extension cables. You can even use it to check the power consumption of USB peripherals and devices like Raspberry Pi, USB Wi-Fi adapters, and USB storage devices.

A definite must-have to monitor and care for your USB powered device or project!



  • Measures USB port’s output or load voltage
  • Measures USB port’s operating current
  • Detects any USB charge
  • Compact and easy to carry
  • Plug and play
  • Easy to use
  • No additional power supply required
  • No additional power supply required



  • Voltage Range: 3V-9V, ± 1%
  • Current Range: 0-3A
  • Precision: ± 1%
  • Dimensions: 68mm x 23mm x 12mm



  • 1 x Digital USB In Line Voltage Charging Current Meter


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We ship Australia wide to all addresses, including PO Box, Parcel Locker, etc.

The following shipping options available are listed below:

Australian Orders

  • Standard Shipping – Free (low cost / small products) – Sent via standard Australia Post stamped mail, 3 – 7 business days delivery depending on location, minimal tracking.
  • Standard Shipping – Free (higher cost / larger products) – Sent via Australia Post Parcel Service or Courier Service, depending on location and mailing address, 2 – 5 business days delivery, with full tracking.
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Orders outside of metro orders can take 2+ days longer than the estimates stated above.

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International orders are shipped through Australia Post and Sendle courier service depending on the most economical at the time.

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More Information

If you would like more information regarding placing international orders, please view the faq page under the “Do you accept international orders?” section.