FNIRSI FNB58 USB Fast-Charge Tester
A genuine FNIRSI USB tester that meters voltage, current, power and fast-charge protocol negotiation on USB-A, USB-C and micro-USB.
| Price | A$68.99 A$68.99 · US$45.39 · 45.39 USDC |
|---|---|
| Payment | AUD card/bank · USDC (Base) · Monero |
Compliance: shipped as general-purpose electronics; radio/EMC regulatory status documented per SKU (AU/NZ/US/UK/EU).
About this accessory
The FNB58 is the tester the USB tooling community actually recommends, and this is the genuine FNIRSI unit. It measures voltage, current, instantaneous power, accumulated charge and energy, and it decodes the fast-charge handshake — QC2.0/QC3.0, AFC, FCP, SCP, VOOC, PD3.0/3.1 with PPS — so you can see exactly what a charger and cable are negotiating rather than guessing from a phone's battery percentage. The colour display reads clearly at a glance, the app connects over Bluetooth for logging, and the internal resistance readout is the fastest way to sort healthy power banks from tired ones. For anyone building, selling or debugging USB-powered kit — including our own decks — this pays for itself the first time a 'faulty' cable turns out to be the cause.
Features
- Genuine FNIRSI FNB58 with full protocol decoding: PD3.0/3.1 PPS, QC2/3, AFC, FCP, SCP, VOOC
- Measures voltage, current, power, accumulated charge/energy and cable resistance
- Colour display plus Bluetooth app for logged measurements
- USB-A, USB-C and micro-USB pass-through ports in one unit
Specs
| Brand | FNIRSI (genuine) |
|---|---|
| Ports | USB-A, USB-C, micro-USB |
| Protocols | PD3.0/3.1 (PPS), QC2.0/3.0, AFC, FCP, SCP, VOOC |
| Display | colour LCD; Bluetooth app support |
In the box
- FNIRSI FNB58 USB tester
In stock — ships fast