Gaqqee USB Type-C Power Meter – Voltmeter Ammeter DC 4.5–48V
Gaqqee USB Type-C Power Meter – Voltmeter Ammeter DC 4.5–48V
Gaqqee Type-C Fast Charging Tester & USB Power Meter
Stay in full control of your device's charging with the Gaqqee USB Multifunctional Power Meter. This compact, high-precision digital tester measures voltage, current, real-time power, energy, and capacity — all displayed on a crisp, touch-interactive screen. Whether you're a tech enthusiast, DIY electronics hobbyist, or simply want to verify your charger is performing as expected, this tester gives you instant, accurate data at a glance.
Key Features
- Wide Measurement Range: Monitors DC 4.5V–48V voltage and 0–6A current (peak 8A), with up to 240W power support — covering virtually all USB and Type-C fast chargers.
- Built-in Gyroscope: Automatically rotates the display to the correct orientation for hands-free, comfortable reading in any position.
- Multi-Parameter Display: Simultaneously tracks voltage, current, real-time power, peak power, energy (mWh), capacity (mAh), elapsed charge timer (0–99 hrs), current direction, and temperature.
- Bidirectional Current Testing: Detects both charging and discharging current flows, making it ideal for power bank testing and two-way charging setups.
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Touch Interaction:
- Single tap: Cycle through 5 display brightness levels
- Long press: Switch between information screens
- Single tap: Toggle between mAh capacity and mWh energy views
- Double tap: Reset the data log
- Fast Charging Protocol Compatible: Supports real-time fast-charging detection for Apple, Huawei, and all major Android devices.
- Durable Build: Dust-proof and shock-resistant PC plastic casing for long-lasting, reliable use.
- Data Record Function: Logs peak power and charging session data for review.
- CE & RoHS Certified: Meets international safety and environmental standards.
Specifications
| Voltage Range | DC 4.5V – 48V |
| Current Range | 0 – 6A (Peak: 8A) |
| Max Power | 240W |
| Capacity Range | 0 – 999,999 mAh |
| Energy Range | 0 – 999,999 mWh |
| Timer | 0 – 99 Hours |
| Display | Digital, Touch-Interactive |
| Dimensions | 31.5mm × 38.5mm × 12mm |
| Operating Temperature | Up to 50°C |
| Certification | CE, RoHS |
| Country of Origin | Made in China |
Important Usage Notes
- For A-to-C cables: the A port is 5V and always active — the display shows even without a device connected. For C-to-C cables: the C port must be connected to a charging device for the display to activate.
- This meter displays power only — it does not control or alter charger output. Charging output is determined by the negotiation between your device and charger.
- The mAh reading at the charging terminal may differ from the battery's rated mAh, since higher fast-charging voltages result in lower detected current at the charging terminal. mWh = charging terminal (mAh) × fast-charging voltage.
What's in the Box
- Gaqqee USB Multifunctional Power Meter × 1
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Frequently Asked Questions
Q: What devices is the Gaqqee USB Power Meter compatible with?
A: The Gaqqee Type-C USB Power Meter is compatible with virtually all USB and Type-C devices, including Apple iPhones, Huawei smartphones, Android phones, tablets, laptops, and power banks. It supports all commercially available fast-charging protocols and both A-to-C and C-to-C cable configurations.
Q: Does this USB power meter support fast charging detection?
A: Yes! The meter supports real-time fast-charging detection across all major protocols. It displays the actual voltage and current being delivered during a fast-charging session, allowing you to verify whether your charger and cable are delivering the expected performance.
Q: How do I reset the data log on the power meter?
A: Simply double-tap the touch button on the device to reset the information log, including accumulated mAh, mWh, and timer data. This is useful when starting a new charging session or testing a different device.
Q: What is the difference between mAh and mWh readings on this meter?
A: The mAh reading reflects the capacity measured at the charging terminal, while mWh reflects the total energy transferred. For fast-charging at higher voltages, mWh provides a more accurate picture of total energy delivered. The formula is: mWh = charging terminal mAh × fast-charging voltage.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.