FNIRSI FNB48P USB Tester 4-24V 6.5A LCD USB A&C Voltage Current Display USB Tester Multimeter, Fast Charge Detection Trigger.

- FNB48P USB tester has a 1.77-inch full-color ultra-wide viewing angle TFT LCD display, integrated USB-A, Micro-USB, Type-C interface.
- FNB48P uses external 16-bit ADC, PD protocol physical chip, it can be used to test the fast charging protocol of chargers.
- FNB48P can be used to measure the power supply or power consumption of products such as USB interfaces, mobile phone chargers, and U disks.
- FNB48P can be used to measure the charging power of mobile phones and the input and output of mobile power supplies.
- FNB48P USB tester can monitor the voltage, current, power, resistance, capacity, temperature, D+/D- voltage etc.
Support APP & PC Host Computer

Four Functional Curve Display

Wire Detection - Easy Get Wire Information



![]() FNB58 | ![]() FNB58 standard | ![]() FNB48P | ![]() FNAC-28 | |
|---|---|---|---|---|
| Customer Reviews | — | — | — | — |
| Price | — | — | — | — no data |
| APP software | ? | NO | ? | NO |
| USB power delivery 3.1/Xiaomi magic change PD | ? | ? | NO | no data |
| Huawei 66W/240W cable detection | ? | ? | NO | no data |
| QC4, QC4+\ QC5 | ? | ? | NO | no data |
| Simulation switch: protocol conversion PC-PD simulation isolation is not damaged | ? | ? | NO | no data |
| Buzzer | ? | ? | NO | no data |
| Monitoring voltage/current/power | 4~28V/7A/140W | 4~28V/7A/140W | 4~24V/6.5A/156W | 4~24V/6.5A/156W |
| High -speed chain display | 50K -> 4M Sa/s | 50K -> 4M Sa/s | 50K -> 3.2M Sa/s | no data |
| High -speed ripple bandwidth | 400KHz | 400KHz | 320KHz | no data |

FNIRSI Technology Co., Ltd.
Transforming technology into a tool to serve customers
FNIRSI FNB48P USB Tester 4-24V 6.5A LCD USB A&C Voltage Current Display USB Tester Multimeter, Fast Charge Detection Trigger.

- FNB48P USB tester has a 1.77-inch full-color ultra-wide viewing angle TFT LCD display, integrated USB-A, Micro-USB, Type-C interface.
- FNB48P uses external 16-bit ADC, PD protocol physical chip, it can be used to test the fast charging protocol of chargers.
- FNB48P can be used to measure the power supply or power consumption of products such as USB interfaces, mobile phone chargers, and U disks.
- FNB48P can be used to measure the charging power of mobile phones and the input and output of mobile power supplies.
- FNB48P USB tester can monitor the voltage, current, power, resistance, capacity, temperature, D+/D- voltage etc.
Support APP & PC Host Computer

Four Functional Curve Display

Wire Detection - Easy Get Wire Information



![]() FNB58 | ![]() FNB58 standard | ![]() FNB48P | ![]() FNAC-28 | |
|---|---|---|---|---|
| Customer Reviews | — | — | — | — |
| Price | — | — | — | — no data |
| APP software | ? | NO | ? | NO |
| USB power delivery 3.1/Xiaomi magic change PD | ? | ? | NO | no data |
| Huawei 66W/240W cable detection | ? | ? | NO | no data |
| QC4, QC4+\ QC5 | ? | ? | NO | no data |
| Simulation switch: protocol conversion PC-PD simulation isolation is not damaged | ? | ? | NO | no data |
| Buzzer | ? | ? | NO | no data |
| Monitoring voltage/current/power | 4~28V/7A/140W | 4~28V/7A/140W | 4~24V/6.5A/156W | 4~24V/6.5A/156W |
| High -speed chain display | 50K -> 4M Sa/s | 50K -> 4M Sa/s | 50K -> 3.2M Sa/s | no data |
| High -speed ripple bandwidth | 400KHz | 400KHz | 320KHz | no data |
FNIRSI Technology Co., Ltd.
Transforming technology into a tool to serve customers
















































