The UNI-T UT658 is an inline USB-A tester for monitoring the charging voltage, current and accumulated capacity of compatible USB devices. It operates across 3–9 V DC and up to 3 A, with an LCD display and storage for up to 10 capacity records.
Key Features
- USB-A male input and USB-A female output for inline charging tests
- Monitors USB voltage, charging current and accumulated capacity
- Supports an input voltage range of 3–9 V DC and currents up to 3 A
- Stores up to 10 sets of capacity data for comparison and reference
- Compact plug-and-play design powered directly through the USB connection
Product Specifications
| Specification |
Details |
| Brand |
UNI-T |
| Model |
UT658 |
| Product Type |
USB-A charging tester |
| Input Connector |
USB-A male |
| Output Connector |
USB-A female |
| Input Voltage Range |
3–9 V DC |
| Voltage Resolution |
0.01 V |
| Voltage Accuracy |
±1% |
| Current Range |
0–3 A |
| Current Resolution |
0.01 A |
| Current Accuracy |
±(1% of reading + 2 digits) |
| Capacity Range |
0–9999 mAh |
| Capacity Data Storage |
10 sets |
| Display |
LCD |
| Power Supply |
Powered through the USB connection |
| Pollution Degree |
2 |
| Operating Temperature |
0°C–40°C |
| Storage Temperature |
-10°C–50°C |
| Relative Humidity |
<75% RH |
| Product Dimensions |
84 × 29 × 12 mm |
| Product Net Weight |
28 g |
| Product Colour |
White |
Applications
- Checking the output of compatible USB-A wall and vehicle chargers
- Monitoring charging current and capacity for USB-powered devices
- Comparing the performance of USB-A charging cables
- Testing compatible power banks and portable USB power sources
Included Components
- 1 × UNI-T UT658 USB-A charging tester