UNI-T UT658B USB Tester
Uni-T UT658B USB Tester
The Uni-T UT658B is a simple and compact USB tester that allows you to monitor the charging parameters of electronic devices in real time. It displays voltage, current, and total capacity simultaneously, enabling users to easily assess the quality of a charger, cable, or power bank. It works well both in everyday use and for quick troubleshooting of charging issues.

Clear readings and ease of use
The device features an LCD screen that displays all key data in one place, making it easy to read quickly without switching modes. The data logging feature allows you to monitor energy consumption over time, and its compact size and light weight mean you can always keep the tester close at hand. It’s a practical solution for those who want to monitor the charging process and quickly detect any irregularities.

Included
USB testerUser manual
Specifications
| Manufacturer | Uni-T |
|---|---|
| Model | UT658B |
| Type | USB tester |
| Voltage range | 3~9 V |
| Voltage resolution | 0.01 V |
| Voltage accuracy | ±(1%+5) |
| Current range | 0~3.5 A |
| Current resolution | 0.01 A |
| Current accuracy | ±(1%+5) |
| Capacity range | 0~9999 mAh |
| Data memory | 10 sets |
| Display | LCD |
| Cable length | 10 cm |
| Operating temperature | -10°C ~ 40°C |
| Operating humidity | <75% |
| Dimensions | 72 × 29 × 12 mm |
| Weight | 30 g |
| Certifications | CE, UKCA |