The compact USB tester from Uni-T lets you monitor voltage, current, and capacity (mAh) in real time while charging. This makes it easy to verify the quality of a charger, cable, or power bank and quickly identify charging problems.
Uni-T UT658B is a practical measuring helper for anyone who wants to keep charging under control. Thanks to the clear LCD display, you can see key values at a glance without complicated mode switching, making it suitable for everyday home use as well as quick troubleshooting.
The tester also supports logging measured data, allowing you to track consumption over time. With its compact dimensions and low weight, you can carry it with you at all times.
Main advantages:
- Real-time charging measurement: voltage, current, and capacity
- Clear LCD display
- Memory function for storing measured data
- Suitable for checking chargers, cables, and power banks
Package contents:
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 to 40 °C
- Operating humidity
- <75 %
- Dimensions
- 72 × 29 × 12 mm
- Weight
- 30 g
- Certification
- CE, UKCA
