--- product_id: 496608936 title: "FNIRSI USB Tester 4-28V 7A LCD USB A&C Voltage Current Tester Multimeter with Bluetooth, Fast Charge Detection Trigger Capacity Ripple Measurement, PD2.0/PD3.0,QC2.0/QC3.0" brand: "fnirsi" price: "1690 kr" currency: NOK in_stock: true category: "Fnirsi" url: https://www.desertcart.no/products/496608936-fnirsi-usb-tester-4-28v-7a-lcd-usb-a-c store_origin: NO region: Norway --- # Fast charge protocol trigger 16-bit ADC precision Capacity & power stats FNIRSI USB Tester 4-28V 7A LCD USB A&C Voltage Current Tester Multimeter with Bluetooth, Fast Charge Detection Trigger Capacity Ripple Measurement, PD2.0/PD3.0,QC2.0/QC3.0 **Brand:** fnirsi **Price:** 1690 kr **Availability:** ✅ In Stock ## Summary > ⚡ Power up your precision game with FNIRSI USB Tester — the ultimate fast-charge whisperer! ## Quick Answers - **What is this?** FNIRSI USB Tester 4-28V 7A LCD USB A&C Voltage Current Tester Multimeter with Bluetooth, Fast Charge Detection Trigger Capacity Ripple Measurement, PD2.0/PD3.0,QC2.0/QC3.0 by fnirsi - **How much does it cost?** 1690 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/496608936-fnirsi-usb-tester-4-28v-7a-lcd-usb-a-c) ## Best For - fnirsi enthusiasts ## Why This Product - Trusted fnirsi brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Comprehensive Data Logging:** Track voltage/current curves and capacity stats for up to 9 hours—perfect for deep diagnostics. - • **Ultra-Wide 2.0" TFT Display:** Crystal-clear, full-color viewing from any angle for instant data insights. - • **High-Resolution Measurements:** Voltage, current, power with up to 0.00001 precision—engineered for exacting pros. - • **Multi-Protocol Fast Charge Detection:** Seamlessly triggers QC2.0/3.0, PD2.0/3.0, VOOC, and more—never miss a fast charge moment. - • **Advanced Cable & Temperature Analysis:** Reads E-Marker & DASH cables, measures internal resistance and onboard temperature—next-level USB testing. ## Overview The FNIRSI FNB58 USB Tester is a professional-grade USB voltage and current meter featuring a 2.0-inch full-color TFT display, integrated USB-A, Micro-USB, and Type-C ports. It supports advanced fast charge protocol detection including QC2.0/3.0, PD2.0/3.0, VOOC, and more, with ultra-high resolution measurements and comprehensive data logging capabilities. Designed for tech-savvy professionals, it also offers cable chip reading, internal resistance measurement, and temperature monitoring, making it an indispensable tool for precise USB power diagnostics. ## Description Free delivery and returns on all eligible orders. Shop FNIRSI USB Tester 4-28V 7A LCD USB A&C Voltage Current Tester Multimeter with Bluetooth, Fast Charge Detection Trigger Capacity Ripple Measurement, PD2.0/PD3.0,QC2.0/QC3.0. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BJ253W31 | | Best Sellers Rank | 191,558 in DIY & Tools ( See Top 100 in DIY & Tools ) 414 in Multi Testers | | Brand | FNIRSI | | Colour | black | | Compatible Devices | USB devices, mobile phone chargers, U disks, USB interfaces, mobile power supplies | | Customer Reviews | 4.4 out of 5 stars 691 Reviews | | Included Components | USB Tester | | Item Weight | 0.1 Pounds | | Item weight | 0.1 Pounds | | Manufacturer | FNIRSI | | Manufacturer Part Number | FNIRSI-001 | | Maximum Operating Voltage | 28 Volts | | Measurement Type | Voltmeter, Ammeter, Ohmmeter | | Min. Operating voltage | 4 Volts | | Minimum Operating Voltage | 4 Volts | | Model Number | FNIRSI-001 | | Power Source | Corded Electric | | Power source | Corded Electric | | Specification Met | IEC 1010, UL | | Style | Modern | | Style Name | Modern | | Unit Count | 1.0 count | | Upper Temperature Rating | 40 Degrees Celsius | ## Product Details - **Brand:** FNIRSI - **Colour:** black - **Item weight:** 45 g - **Power source:** Corded Electric - **Style:** Modern ## Images ![FNIRSI USB Tester 4-28V 7A LCD USB A&C Voltage Current Tester Multimeter with Bluetooth, Fast Charge Detection Trigger Capacity Ripple Measurement, PD2.0/PD3.0,QC2.0/QC3.0 - Image 1](https://m.media-amazon.com/images/I/71VDjC5CdjL.jpg) ## Frequently Bought Together - FNIRSI USB Tester 4-28V 7A LCD USB A&C Voltage Current Power Tester Multimeter with App Software, Fast Charge Detection Trigger Capacity Ripple Measurement, PD2.0/PD3.0,QC2.0/QC3.0 - Treedix USB Cable Tester Board USB Cable Checker Data Wire with Acrylic Case Charging Test Data Line Type-C Micro Type A Type B - Treedix USB Cable Tester with 2.4" Color Screen for eMarker Reading, PD 3.0/3.1 Detection, Resistor and Continuity Check, Compatible with Lightning, Type-C, Micro-B 2.0/3.0, and Mini-B Cables --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.no/products/496608936-fnirsi-usb-tester-4-28v-7a-lcd-usb-a-c](https://www.desertcart.no/products/496608936-fnirsi-usb-tester-4-28v-7a-lcd-usb-a-c) --- *Product available on Desertcart Norway* *Store origin: NO* *Last updated: 2026-09-30*