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UNI-T UT658DUAL USB socket tester
UNI-T UT658DUAL is a second-generation USB tester that allows you to comprehensively analyze chargers, cables and devices powered by USB Type A and Type C ports. With it you can not only check voltage and current parameters, but also measure actual power consumption, capacity of charged devices and circuit resistance. This is an indispensable tool for engineers, electronics engineers, equipment testers and home users who want to have full control over the quality and performance of their equipment.
Full picture of charging parameters
The UT658DUAL displays all key information on an easy-to-read screen: voltage, current, power, capacity, energy consumption and circuit resistance value. It supports voltages from 4 to 24 V DC and current up to 3 A for USB-A port and up to 5 A for USB-C, allowing it to test even the most demanding chargers and powerbanks. The device also recognizes QC 3.0 (for USB-A) and QC 4.0 (for USB-C) fast charging protocols, making it a universal tester for modern mobile devices.
Precision and measurement memory
The tester can store up to 10 sets of data, making it easy to compare measurement results under different conditions and with different devices. Battery capacity measurement is possible with a resolution of 1 mAh (up to 99999 mAh), and energy is recorded up to 1000 Wh. The maximum recording time is as long as 99 hours 59 minutes 59 seconds - ideal for long-term load and comparison tests.
Easy to use, ready for action
The UT658DUAL is powered directly from a USB port and requires no additional batteries. Its compact size and lightweight design (65.8 g) make it extremely portable and easy to transport. Thanks to its single-screen display system and intuitive operation, it will work well in laboratory conditions as well as during service or home tests.
Included
- UNI-T UT658DUAL USB tester
- User manual (English)
| Manufacturer | UNI-T |
|---|---|
| Manufacturer code | UT658DUAL |
| Certifications | CE, UKCA |
| Supported connectors | USB Type-A, USB Type-C |
| Voltage range | 4-24 VDC, resolution: 0.01 V |
| Current range (USB-A) | 0.05-3 A DC, resolution: 0.01 A |
| Current range (USB-C) | 0.05-5 A DC, resolution: 0.01 A |
| Capacity | 0-99999 mAh, resolution: 1 mAh |
| Energy | Up to 1000 Wh |
| Circuit resistance | 1-480 Ω |
| Voltage measurement on D+/D- lines | 0-3,3 V |
| Fast charging protocol | QC 3.0 (USB-A), QC 4.0 (USB-C) |
| Recording time | Up to 99 h 59 min 59 s, resolution: 1 s |
| Data recording | 10 sets |
| Power supply | from USB port |
| Case color | white |
| Net weight | 65,8 g |
| Dimensions | 93 × 55 × 13 mm |
How to use
Connect the UT658DUAL between the charger and the device or power bank so that the USB-A or USB-C ports align with the corresponding cables. The tester will power on and display live voltage and current values automatically when a load is present. To measure cumulative capacity, allow the device to remain connected for the desired charging period; the accumulated mAh counter will increase as current is delivered. Observe the numeric display to check for sudden drops or irregularities during the charging cycle. For Quick Charge detection, use a compatible charger and device; the tester will show negotiated fast-charge parameters while charging is active.
Recommendations
Use short, reliable cables and ensure secure connections when measuring to reduce measurement error. When testing power banks for full capacity, perform a complete charge–discharge cycle at a moderate load and record the accumulated mAh. Avoid exposing the tester to moisture or excessive heat and disconnect when not in use to prevent unintended battery drain on the tested device.
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