







Desertcart purchases this item on your behalf and handles shipping, customs, and support to Peru.
⚡ Power Up Your USB IQ — Test Smarter, Charge Faster!
The FNIRSI FNB58 USB Tester is a professional-grade, multi-interface device designed for precise voltage, current, and power monitoring up to 28V/7A. Featuring a sharp 2.0-inch TFT LCD, it supports a wide range of fast charging protocols including PD2.0/3.0 and QC2.0/3.0, with advanced capabilities like E-Marker cable reading, ripple analysis, and high-speed data sampling—making it an essential tool for tech-savvy professionals who demand accuracy and efficiency in USB power diagnostics.





























| ASIN | B0BS2ZS813 |
| Best Sellers Rank | #29,365 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #22 in Voltage Testers |
| Brand Name | FNIRSI |
| Color | multi-color |
| Compatible Devices | USB devices, mobile phones, mobile power supplies, U disks, chargers |
| Customer Reviews | 4.4 4.4 out of 5 stars (189) |
| Included Components | USB Tester |
| Item Dimensions | 3.23 x 1.65 x 0.47 inches |
| Item Highlight | PD2.0/3.0 & QC2.0/3.0, Voltage/Current/Power Monitoring, Real-Time Graphs, Capacity, Ripple, PD Trigger (NO APP/PC Software) |
| Item Weight | 1.6 ounces |
| Manufacturer | FNIRSI |
| Measurement Type | Multimeter |
| Minimum Operating Voltage | 4 |
| Model | FNIRSI-FNB58-bp |
| Number of Items | 1 |
| Part Number | FNIRSI-FNB58-bp |
| Power Source | Battery Powered |
| Specification Met | CE, FCC, RoHS, UL |
| Style Name | FNB58 |
| Upper Temperature Rating | 125 °C |
Trustpilot
1 month ago
3 weeks ago