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⚡ Power up your USB game with pro-level precision!
The FNIRSI FNB58 USB Tester is a professional-grade multimeter designed for the millennial tech-savvy manager. It supports a wide voltage range (4-28V) and up to 7A current, featuring a crisp 2.0-inch TFT LCD that displays real-time voltage, current, power, and ripple waveforms. With multi-port compatibility (USB-A, Micro-USB, Type-C) and advanced fast charge protocol detection (QC2.0/3.0, PD2.0/3.0, VOOC, and more), it empowers users to verify charger and cable performance, including embedded E-Marker chip reading. Its data logging and app integration make it an essential tool for anyone serious about optimizing USB power delivery and avoiding costly cable or charger mismatches.
| ASIN | B0BJ253W31 |
| Best Sellers Rank | #33,379 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #27 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 (511) |
| 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 Count |
| Upper Temperature Rating | 40 °C |
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