Name: FNB58 USB tester
Brand: Fnirsi
SKU: 497340792
Price: 105.83 EUR
Availability: InStock

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

€ 105.83

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

Description

⚡ Power up your tech IQ with FNIRSI — the ultimate USB tester for pros who demand precision!

MULTI PORT MASTERY - Seamlessly test USB-A, Micro-USB & Type-C devices with one sleek tool.
DYNAMIC DATA TRACKING - Record capacity, ripple, and waveform with up to 4M sps sampling for pro-grade analysis.
SMART APP INTEGRATION - Control and monitor via app with gravity sensor for on-the-go diagnostics and firmware updates.
PRECISION POWER METRICS - 16-bit ADC and PD chip deliver ultra-accurate voltage, current, and power readings.
FAST CHARGE PROTOCOL GURU - Auto-detects QC2.0/3.0, PD2.0/3.0, VOOC, and more for next-level charger insights.

The FNIRSI FNB58 USB Tester is a professional-grade multimeter featuring a 2.0-inch TFT LCD and integrated USB-A, Micro-USB, and Type-C ports. It supports voltage detection from 4 to 28V and current up to 7A, with advanced fast charge protocol detection including PD2.0/3.0 and QC2.0/3.0. Equipped with a 16-bit ADC and PD physical chip, it offers precise real-time monitoring of voltage, current, power, resistance, and ripple. The device pairs with an app for enhanced data tracking, waveform analysis, and firmware updates, making it an essential tool for tech-savvy professionals and managers who want to stay ahead in device diagnostics.

Specifications

ASIN	B0BJ253W31
Best Sellers Rank	#18,993 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #15 in Voltage Testers
Brand Name	FNIRSI
Color	multi-color
Compatible Devices	USB interfaces, mobile phone chargers, U disks, mobile phones, mobile power supplies, USB-A, Micro-USB, Type-C devices from various brands
Customer Reviews	4.4 4.4 out of 5 stars (509)
Included Components	USB Tester
Item Weight	1.6 ounces
Manufacturer	FNIRSI
Measurement Type	Voltage, Current, Fast Charge Detection, Etc
Minimum Operating Voltage	4
Model	FNIRSI-001
Part Number	FNIRSI-001
Power Source	Battery Powered
Specification Met	Ul, Iec
Style Name	FNB58
Unit Count	1.0 Count
Upper Temperature Rating	40 Degrees Celsius

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

€ 105.83

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

Sneha T.

Received my product in pristine condition. Great service overall.