YOJOCKUSB C Tester USB Power Meter 2 in 1 Digital Multimeter 3.6-32V 0-8.0A Voltage and Current Tester Meter, Type C USB 3.0 Voltmeter Battery Capacity Volt Ammeter Power Bank Charger Detector
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YOJOCKUSB C Tester USB Power Meter 2 in 1 Digital Multimeter 3.6-32V 0-8.0A Voltage and Current Tester Meter, Type C USB 3.0 Voltmeter Battery Capacity Volt Ammeter Power Bank Charger Detector

4.6/5
Product ID: 415138174
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Details

  • Brand
    YOJOCK
  • Power source
    USB Powered
  • Style
    Modern
  • Colour
    Black
  • Item weight
    40 Grams
3.6-32V Voltage Range
📊8 IPS Color Display Modes
🔋0-5.1A Current Detection
Frequently Bought Together

Description

🔌 Charge smarter, not harder — the ultimate USB C power detective!

  • VIBRANT IPS DISPLAY - Switch between 8 vivid color interfaces with large fonts for instant data clarity on the go.
  • BUILT IN SAFETY GUARD - Over-voltage, over-current & under-voltage protections automatically safeguard your devices and data.
  • UNIVERSAL COMPATIBILITY - Supports PD3.0, QC3.0, USB A/C ports & top devices like iPhone 13 Pro, MacBook Pro, Dell XPS & more.
  • PRECISION POWER INSIGHTS - Monitor voltage, current, capacity & power with 4-bit accuracy for flawless charging diagnostics.
  • POWER BANK CAPACITY TESTER - Accurately measure power bank mAh with smart voltage multipliers for real-world battery insights.

The YOJOCK USB C Tester UT003 is a compact, USB-powered digital multimeter designed for professionals and tech enthusiasts to precisely measure voltage (3.6-32V), current (up to 5.1A), capacity, power, and more. Featuring an upgraded 8-mode IPS color display, it supports fast charging protocols like PD3.0 and QC3.0, compatible with leading devices including iPhone 13 Pro and MacBook Pro. Its advanced safety protections ensure device integrity while delivering detailed charging performance and power bank capacity analysis.

Specifications

ManufacturerYOJOCK
Part numberUT003
Item Weight40 g
Product Dimensions7.1 x 3.2 x 1.2 cm; 40 g
Item model numberFT-ut003
ColourBlack
StyleModern
Power source typeUSB Powered
Item Package Quantity1
Measurement Accuracy4 bits
Specification metenergy
Included componentsUSB Tester
Batteries included?No
Batteries Required?No

Have a Question? See What Others Asked

What is the maximum wattage this device can measure?
What is the micro-USB connector for?
Does this device pass data through at the same time?
Can I use this device to measure the output voltage from a micro-USB plug?

Reviews

4.6

All from verified purchases

C**N

Very useful gadget

I've had a basic USB power meter for a while, but this one with the addition of USB-C makes it so much more useful with newer devices. The display has many functions and shows a lot of information relating to power consumption. Very handy for testing the charge & discharge capacity of things like mobile phones and power banks

P**S

Useful tester

Works nicely

Z**D

Works but difficult to use

Gives the voltage and current, as expected, but it's awkward to use. I wanted to test my desktop phone wireless charger, but the meter must be plugged into the charger, rather than USB cable coming from charger into meter and then into docking station. The problem is that you can't read the meter in that position. Even when I tried testing on the kitchen counter, it's still very difficult to actually read it because it's basically fixed to the plug socket and you're leaning over the counter trying to angle your head.

A**.

Great functionality, many port types

Good multifunction screen but text can get small to fit in all the info. Very pleased so far.

�**�

Neat & compact tester. Comes with Micro-USB adaptor.

I did pay for this myself and it isn’t part of the Amazon Vine Program.I do have one of these under another brand but needed a 2nd one and this looked the best value at the time. These do seem to be generic, with some having a brand name on them and others don’t.As I test a lot of charger and cables, these are really great for seeing what is happening vs. the spec. Where this differs from similar products is that you can go from USB-A to USB-C and visa versa. I have another design that, if you plug one end into a USB-A port, then the other end must also be plugged into a USB-A port as well. Personally, I find that too restricting.You can change the display arrangements but some are tricky to read due to the amount of info it’s displaying, that is unless you’re up close. I tend to focus predominantly on a setting which shows me Volts, Amps and Watts at that time and ongoing.It is easy to use and the display is clear, if a bit small sometimes. You even get a Micro-USB adapter included and a simple plastic storage case. Pricing on this specific design does tend to fluctuate quite a lot depending on the brand, I paid £16.74 for this one, but have seen these (not this specific one) for £25 upwards. For the price, I thinks it is decent value and highly portable.I did run a comparison test compared to the other one I had, they are exactly the same device, and the readings were the same on both.I hope you found this review & photos interesting, informative, and useful. Thanks for reading.

E**O

Brilliant gadget for measuring charging wattage of devices

I wanted to measure the charging wattage of various devices and this was perfect. Worth knowing that though it says “in” and “out” on the ports you can actually connect either way round. You can click through various display options that give various views of what’s going on.

J**W

Good usb tester

Great item working fine

S**V

Works perfectly. Even allow to connect to PC.

The media could not be loaded. Interesting device. Very good interface. I'm surprise how fast reed voltage, current,CPU temperature. Real time update also A,mA,mAh,Wh,W,Omh,megerment unit's. That is wonderful gadget. Display is nice and well visible. Just that feeling of cheep plastic case need updating. General I'm happy to have. I find very handy gadget. I wish to see better design with big display simular like multi usb hub. 👏😅 Thanks

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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TrustScore 4.5 | 7,300+ reviews

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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