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Plugable USB C Power Meter Tester for Monitoring USB-C Connections - Digital Multimeter for USB-C Cables, Laptops, Phones and Chargers

4.4 out of 5 stars 492 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice for "usb c power meter"

$37.95

Enhance your purchase

  • AT A GLANCE - USB C Tester: Monitor USB-C power and charging. Measure voltage and amperage. Visualize the directional flow of electrical current. Updated OLED display is brighter and easier to read. New orientation button lets you flip the screen 180 degrees
  • BIDIRECTIONAL - USB power meter can be connected in either orientation, allowing for the full range of USB Power Delivery voltage from 5 to 20V (4V-22V, 50mA-6.5A operating range)
  • BROAD USB SUPPORT - Used as a data and power quality meter, device allows USB data pass through, USB-C Alt Mode video, USB-C charging. Use USB tester inline with USB-C docking stations, chargers, accessories, etc. Not compatible with Thunderbolt 3 devices
  • SMALL AND TOUGH - Small enough to go anywhere you need a USB C voltage meter. Even fits most phones and tablets without removing protective case. Strengthened USB-C connections ensure it's sturdy enough to be your go-to USB C power tester
  • 2 YEAR WARRANTY - We love our Plugable products, and hope you will too. All of our products are backed with a 2-year limited parts and labor warranty as well as Seattle-based email support

Buy it with

  • Plugable USB C Power Meter Tester for Monitoring USB-C Connections - Digital Multimeter for USB-C Cables, Laptops, Phones and
  • +
  • Anker USB-C to USB-C Cable, 643 Cable 100W 6ft, USB 2.0 Type C Charging Cable Fast Charge for MacBook Pro 2020, iPad Pro 2020
  • +
  • Anker USB C, 715 Charger (Nano II 65W), GaN II PPS Fast Compact Foldable Charger for MacBook Pro/Air, Galaxy S20/S10, Dell XP
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Plugable USB C Power Meter Tester for Monitoring USB-C Connections - Digital Multimeter for USB-C Cables, Laptops, Phones and Chargers


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Product Description

usb tester power meter electrical meters amp multimeter watts watt c testet

For a multimeter, the Plugable USB-C Amperage and Voltage Tester (USBC-VAMETER) manages to fit a lot of useful features into a sturdy little package. About the size of a USB flash drive, this bidirectional USB tester allows for full USB data passthrough while it monitors USB-C power and charging, measures voltage and amperage, even visualizes the directional flow of electrical current–all in real time.

Connect the VAMETER inline between a USB-C host system like a laptop, tablet, or cell phone and a charger to use it as a USB voltage meter or power consumption meter. An updated OLED screen means a brighter and easier-to-read display in any lighting conditions, and a new orientation button lets you flip the screen with a click.

USBC-VAMETER Specifications
USBC-VAMETER USBC-VAMETER3
USBC-VAMETER USBC-VAMETER3
Connection to Host USB-C USB-C
Voltage 20V (4V-20V) 48V (4.5V-50V)
Amperage 5000mA (50mA-6.5A) 5000mA (50mA-6.5A)
Wattage 100W 240W
Bidirectional
Display Type OLED with 180 degree rotation function (side switch) OLED with 180 degree rotation function (side switch)

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Customer reviews

4.4 out of 5 stars
4.4 out of 5
492 global ratings

Top reviews from Canada

Reviewed in Canada 🇨🇦 on December 1, 2022
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Reviewed in Canada 🇨🇦 on November 12, 2022
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Reviewed in Canada 🇨🇦 on May 11, 2017
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3.0 out of 5 stars Does what it says, but isn't perfect
Reviewed in Canada 🇨🇦 on May 11, 2017
Product works as advertised.

Yes, it shows you voltage, current and current direction on the screen. It's pretty cool to plug my charger into my laptop and see 20v flowing in, then plug my phone into the laptop and see 5v flowing out.

I've connected it to several chargers (USB-2.0, USB-C 5v, USB-C 5-20v) and it always seems to be giving reasonable numbers.

When connected in-line with my USB-2.0 meter (USB-2.0 charger, USB-2.0 meter, USB-2.0->USB-C cable, USB-C meter, USB-C device), the displayed current values are identical although the USB-C meter shows a significantly lower voltage (eg 4.9v-vs-4.5v, 5.0v-vs-4.8v. This could maybe be voltage drop in the cable - although it seems high. I don't have the right cable/connector combinations to be able to reverse the meter order and double-check this.

It's not perfect though:
* The display isn't quite as shown in the product images. It alternates between "voltage & current" (for about 3 seconds) and "current direction" (for about 1 second)
* The body is bulky: this means that it won't plug into my phone without me removing the phone case (Google Pixel with a Spigen Ultra Hybrid case). Also when it's plugged into my laptop (Asus C302 Chromebook) the meter body sits lower than the laptop case so you either have to prop up the corner of the laptop (which is annoying) or have it rock on the meter (which is annoying and would probably break the meter plug over time). A 3" pigtail cable like my USB-2.0 meter would have solved this issue - there's presumably a good design reason why this wasn't done. If I don't get bored of watching the meter readings, I may find myself picking up a 6" USB-C to USB-C cable in the future to solve this

See attached images: you can see the two display modes and also the random cable I've wedged underneath the laptop in order to lift it up slightly and take the strain off the meter connector. The third photo shows how the bulk of the device height is below the male connector - this is what causes the height issues but is probably necessary for internal component mounting. If you plug the meter in upside down then it doesn't cause any height issues... although it does rather reduce its usefulness.

One last point. I thought the display was scratched-up when I received it. There's actually a film over the display. Peel this off and the display is shiny and scratch-free.
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Reviewed in Canada 🇨🇦 on November 20, 2018
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5.0 out of 5 stars Fantastic for monitoring/Troubleshooting electronic device charging.
Reviewed in Canada 🇨🇦 on November 20, 2018
I'm starting to get into battery chargers that use Power Delivery (PD) to charge laptops, and I wanted this device to help me learn more as I go forward - and in case I need any help with those battery chargers not working or not supplying enought power - this would help me to see that.

THE GOOD: The device is very small. Very compact. Easy to store anywhere. It only take a couple of seconds for it to boot up. It will boot after you plug your USB-C power cable into it that you want to measure the current from. The display is very easy to read. Legible, bright. When the device is off you can't even tell there is a screen there. . It will appear as a mirror until it is powered on - this is normal. This is just like smaller audio players you get from China that use this type of OLED screen as it save power and works really well

DOES IT WORK? I have a power hub that I use to charge all my electronics that shows the current amperage to each device. This USB stick seems to match pretty well exactly to that when showing the amps. Also, it keeps track of how much power has gone through it to your device. This is really a great feature when you know the capacity of your battery and want to know how full it is without turning your electronics on.

Packaging was very small, a cardboard box, and a ziplock bag with the device in it. No waste here, well done.

The voltage shown on the device combines the voltage going through to your device, and the voltage needed to power this USB stick.

CONCLUSION: There are no negatives to this device. Works perfect. Shows exactly the info I need. Measurements match my other devices so I know it's accurate. For the $ it's definitely worth it! FIVE STARS!
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Reviewed in Canada 🇨🇦 on May 13, 2022
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Reviewed in Canada 🇨🇦 on March 20, 2022
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One person found this helpful
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Reviewed in Canada 🇨🇦 on September 22, 2021
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Reviewed in Canada 🇨🇦 on October 1, 2018
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5.0 out of 5 stars Does the job
Reviewed in Canada 🇨🇦 on October 1, 2018
I wanted to be able to monitor if my devices properly negotiate USB PD and what profiles they choose to do that. This USB-C multi-meter does this job remarkably well.

The screen, although small and very reflective, remains legible and adequately bright (see attached photo). Measurements seem accurate and the refresh rate is sufficient. It worked with all my USB PD 3.0 devices (iPhone, Macbook Pro, Anker PD Powercore...).
I can't attest to its compatibility with all the USB-C protocols listed in the description (I strictly use it in a no-data set up).

At 25 dollars, this is not very accessible. But considering the prices of competing devices, this seems like the best bang for the buck.

The only drawback I found is, while this gives the total charge that goes through (in mAh), I doesn't provide total energy (which I find to be a more relevant indicator). You can do a simple calculation to get it but it remains annoying.

It also does feel a bit flimsy but if you don't rough it up too much, it should last.
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Top reviews from other countries

William O' Connor
5.0 out of 5 stars great product for MacBook /macbook pro users with usb-c
Reviewed in the United Kingdom 🇬🇧 on March 10, 2017
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Brendan Moran
5.0 out of 5 stars A handy tool for checking out usb PD devices.
Reviewed in the United Kingdom 🇬🇧 on January 15, 2018
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fjs
3.0 out of 5 stars Not the best construction
Reviewed in the United Kingdom 🇬🇧 on September 9, 2018
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Dr A Daneshmend
2.0 out of 5 stars Stopped working after an hour
Reviewed in the United Kingdom 🇬🇧 on September 15, 2022
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YA
4.0 out of 5 stars Would I purchase this again - yes!
Reviewed in the United Kingdom 🇬🇧 on April 26, 2018
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