Features & Details
The Dual USB Tester UT658Dual by UNI-T delivers high-precision monitoring for modern charging devices. It supports both Type-A and Type-C interfaces to ensure compatibility with the latest smartphones and power banks. Furthermore, this second-generation dual USB tester monitors charging efficiency in real-time. Consequently, you can protect your expensive electronics by accurately tracking voltage, current, and capacity fluctuations during every session.
About this item
| Feature | Description |
|---|---|
| Brand | UNI-T® |
| Input/Output Ports | USB Type A, USB Type C |
| Voltage Range | 4.00-24.00VDC (Resolution: 0.01V) |
| Current Range | Type A: 0.05-3.00ADC / Type C: 0.05-5.00A (Resolution: 0.01A) |
| Capacity | Capacity: 0-99999mAh(Resolution: 1mAh) |
| Energy | Energy: 0-1000Wh |
| Resistance (Loop) | 1-480Ω |
| Data Line Voltage | D+/D- Voltage: 0-3.30V |
| Data Storage | 10 Sets of data |
| Electronic Load | 0.50A, 1.00A, 2.00A, 3.00A |
| Timer Range | 99h 59min 59s (Resolution: 1s) |
| Protocols | Supports USB 2.0 Data, QC1.0/2.0/3.0 (Type A), QC1.0-4.0 (Type C) |
| Certification | CE Certified |
Accurate Diagnostics with our Dual USB Tester

The UNI-T UT261A model is specifically engineered for professional production verification and engineering tasks. It functions as a precise voltmeter and ammeter, capable of detecting voltages from 4 to 24V DC. Additionally, the unit identifies various fast-charge protocols such as QC 2.0, 3.0, and 4.0. Consequently, engineers can verify the performance of chargers and cables with high confidence and professional-grade accuracy.

Comprehensive Data Management
Efficiency defines the internal logic of this dual USB tester series. It features a built-in memory system that stores up to 10 groups of test data. This allows for easy comparison between different power sources or charging cables. In addition, the high-visibility LCD screen displays power, capacity, and resistance on a single interface. Therefore, users do not need to cycle through complex menus to find critical information during time-sensitive testing sessions.

Smart Safety and Overload Protection
Reliability is essential for professional tools used in the field. Our Dual USB Tester includes an advanced over-voltage and under-voltage warning system (OL/LO). If the input signal exceeds safe limits, the device alerts the user immediately to prevent hardware damage. Moreover, the robust construction ensures long-term durability for both industrial auditing and home DIY repairs. In conclusion, this instrument provides a complete safety barrier between your power source and mobile devices.

Product guides and documents
UT658 Series Manual (PDF)FAQs
1. What parameters can I measure with this dual USB tester?
First, this professional dual USB tester measures voltage and current accurately. Additionally, you can monitor battery capacity, power consumption, and charging time. Consequently, it is a perfect tool for testing the performance of power banks, chargers, and USB cables.
2. What are the advantages of the dual-port design?
Moreover, the dual-port design allows you to monitor power distribution between different devices. Specifically, you can test two USB outputs simultaneously to compare their efficiency. Therefore, this device provides high flexibility for complex electronic diagnostics in both lab and home environments.
3. Does this device support fast charging protocols?
In addition, our dual USB tester supports various fast charging protocols such as QC2.0 and QC3.0. Furthermore, the high-precision sensors detect voltage changes instantly without affecting the charging speed. As a result, you can verify the safety and speed of your fast chargers with total confidence.
4. Is this tester durable enough for professional field work?
Finally, the compact and robust structure ensures excellent portability for technicians on the move. To illustrate this, the lightweight body fits easily into any tool kit while protecting the internal circuitry. In conclusion, choose our reliable dual USB tester to simplify your electrical measurement tasks today.
UNI-T UT658Dual USB Type A & C Digital Tester – Professional Dual USB Tester for Power Monitoring
$27.59 Original price was: $27.59.$18.89Current price is: $18.89.
6–12 Month Warranty
Repair & Refund support available for most products.
Free Worldwide Shipping
Ships within 3 business days.
Taxes & Duties
Buyer responsible for local import fees.
24/7 After-Sales Support
Technical assistance & video guidance within 24h.
UNI-T UT658Dual USB Type A & C Digital Tester – Professional Dual USB Tester for Power Monitoring
$27.59 Original price was: $27.59.$18.89Current price is: $18.89.
Features & Details
The Dual USB Tester UT658Dual by UNI-T delivers high-precision monitoring for modern charging devices. It supports both Type-A and Type-C interfaces to ensure compatibility with the latest smartphones and power banks. Furthermore, this second-generation dual USB tester monitors charging efficiency in real-time. Consequently, you can protect your expensive electronics by accurately tracking voltage, current, and capacity fluctuations during every session.
| Feature | Description |
|---|---|
| Brand | UNI-T® |
| Input/Output Ports | USB Type A, USB Type C |
| Voltage Range | 4.00-24.00VDC (Resolution: 0.01V) |
| Current Range | Type A: 0.05-3.00ADC / Type C: 0.05-5.00A (Resolution: 0.01A) |
| Capacity | Capacity: 0-99999mAh(Resolution: 1mAh) |
| Energy | Energy: 0-1000Wh |
| Resistance (Loop) | 1-480Ω |
| Data Line Voltage | D+/D- Voltage: 0-3.30V |
| Data Storage | 10 Sets of data |
| Electronic Load | 0.50A, 1.00A, 2.00A, 3.00A |
| Timer Range | 99h 59min 59s (Resolution: 1s) |
| Protocols | Supports USB 2.0 Data, QC1.0/2.0/3.0 (Type A), QC1.0-4.0 (Type C) |
| Certification | CE Certified |
Accurate Diagnostics with our Dual USB Tester
The UNI-T UT261A model is specifically engineered for professional production verification and engineering tasks. It functions as a precise voltmeter and ammeter, capable of detecting voltages from 4 to 24V DC. Additionally, the unit identifies various fast-charge protocols such as QC 2.0, 3.0, and 4.0. Consequently, engineers can verify the performance of chargers and cables with high confidence and professional-grade accuracy.

Comprehensive Data Management
Efficiency defines the internal logic of this dual USB tester series. It features a built-in memory system that stores up to 10 groups of test data. This allows for easy comparison between different power sources or charging cables. In addition, the high-visibility LCD screen displays power, capacity, and resistance on a single interface. Therefore, users do not need to cycle through complex menus to find critical information during time-sensitive testing sessions.
Smart Safety and Overload Protection
Reliability is essential for professional tools used in the field. Our Dual USB Tester includes an advanced over-voltage and under-voltage warning system (OL/LO). If the input signal exceeds safe limits, the device alerts the user immediately to prevent hardware damage. Moreover, the robust construction ensures long-term durability for both industrial auditing and home DIY repairs. In conclusion, this instrument provides a complete safety barrier between your power source and mobile devices.
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