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Item #:
245009225
FNIRSI FNB58 USB Tester, PD/QC, USB-C E-Marker Reader, 28V 7A, USB-A/C
86% of respondents would recommend this to a friend
Item #:
245009225
GBP 51
Price Details
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*All items will import from US
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Order now and get it around Saturday, October 31
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FNIRSI FNB58 USB tester is a high-reliability, high-safety USB voltage and current detection meter and a mobile communication terminal fast charging trigger which can be used to measure the power supply or power consumption of products such as USB interfaces, mobile phone chargers, and U disks.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Versatile Compatibility
Supports multiple protocols including PD and QC, allowing seamless compatibility with various USB devices for efficient charging and data transfer.
High Power Capability
With a maximum output of 28V and 7A, it efficiently handles high-power devices, making it suitable for modern electronics that require fast charging.
E-Marker Functionality
The integrated USB-C E-Marker reader provides accurate performance data, ensuring optimal charging efficiency and safety, setting it apart from standard USB testers.
Product Details
- 2.0-inch full-color ultra-wide viewing angle TFT LCD display with integrated USB-A, Micro-USB, Type-C interface
- Multifunction USB tester with external 16-bit ADC, PD protocol physical chip
- Supports trigger detection of various fast charging protocols such as QC2.0/QC3.0, FCP/SCP, AFC, PD2.0/3.0, VOOC/WARP, Super VOOC 1.0/2.0
- Parameter detection and recording including voltage, current, power, resistance, capacity, temperature, D+/D- voltage, and waveform drawing
- Additional functions include internal resistance measurement, E-Marker Cable chip reading, DASH Cable data reading, and onboard temperature measurement
- Environmentally friendly with electronic manuals available for download on the official website, along with firmware and software updates
| Power Source | Battery Powered |
| Minimum Operating Voltage | 4 |
| Upper Temperature Rating | 40 u00b0C |
| Measurement Type | Voltage, Current, Fast Charge Detection, Etc |
| Compatible Devices | USB interfaces, mobile phone chargers, U disks, mobile phones, mobile power supplies, USB-A, Micro-USB, Type-C devices from various brands |
| Style Name | FNB58 |
| Color | multi-color |
| Item Weight | 1.6 ounces (45.36 grams) |
| Specification Met | Ul, Iec |
| Brand Name | FNIRSI |
| Model | FNIRSI-001 |
| Unit Count | 1 Count |
| Number of Items | 1 |
| Item Highlight | PD2.0/3.0 & QC2.0/3.0, Voltage/Current/Power Monitoring, Real-Time Graphs, Capacity, Ripple, PD Trigger, App/PC Software |
| Manufacturer | FNIRSI |
| Number of Packs | 1 |
| Included Components | USB Tester |
| Part Number | FNIRSI-001 |
| Brand | FNIRSI |
| Style | FNB58 |
Who Should Buy?
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Tech Enthusiasts
Ideal for users who want to analyze power delivery and quickly identify voltage and current levels in their devices.
-
Mobile Developers
Perfect for developers who need to optimize charging speeds and ensure compatibility with various USB power delivery protocols.
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DIY Electronics Hobbyists
Useful for hobbyists looking to build or test custom charging solutions with USB-C and USB-A connections.
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Casual Users
Not ideal for average users who require a simple charger and do not need advanced power analysis features.
Product Description
FNIRSI FNB58 USB Tester, PD/QC, USB-C E-Marker Reader, 28V 7A, USB-A/C
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Customer Questions & Answers
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How to Shop FNIRSI FNB58 USB Tester, PD/QC, USB-C E-Marker Online From Ubuy?
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Is FNIRSI FNB58 USB Tester, PD/QC, USB-C E-Marker Available to Shop Online in Guernsey?
Answer: Yes, at Ubuy Guernsey this product is available for you to shop at a reasonable price. The FNIRSI FNB58 USB Tester, PD/QC, USB-C E-Marker is not available locally but you can trust us with our express shipping services. -
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How Long Does It Take to Get Product After Placing the Order?
Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.
FNIRSI Voltage Testers Editorial Review
FNIRSI FNB58 USB Tester, PD/QC, USB-C E-Marker Reader, 28V 7A, USB-A/C is an essential tool for anyone dealing with USB-powered devices. It offers a broad voltage and current range, up to 28V and 7A, ensuring comprehensive testing capabilities for various fast charging protocols like PD2.0/PD3.0 and QC2.0/QC3.0. Many users appreciate its accurate measurements of voltage, current, and power, and its bright full-color TFT LCD display makes information easy to read. The tester’s ability to read USB-C cable E-Marker chips is invaluable for ensuring compatibility with higher power requirements, a crucial feature often highlighted in user reviews. However, its complex interface might challenge beginners.
Customer Reviews & Ratings
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Pros
- High accuracy in measurements
- Supports a wide range of USB standards
- Clear, colorful display
- Durable metal build
- Comprehensive testing options available
Cons
- Documentation could be improved for clarity
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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GBP 51
Order now and get it around Saturday, October 31
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- 2.0-inch full-color ultra-wide viewing angle TFT LCD display
- Monitor the voltage, current, power, resistance, capacity, temperature, D+/D- voltage
- Support QC2.0/3.0, FCP/SCP, AFC, PD2.0/3.0, VOOC/WARP, Super VOOC 1.0/2.0 triggers
- Six-digit display, 10 sets of switchable capacity, power and time statistics
- Internal resistance measurement, E-Marker Cable chip reading, dashboard cable data reading
- No paper manuals - download from the official website
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