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I like the product and how easy is it to use them and making a tight grip on the wires
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Dual USB Current Voltage Ammeter Tester
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The USB Current Voltage Ammeter Tester is a compact and easy-to-use diagnostic tool designed to help you measure the real-time voltage and current output of any USB port.
Whether you're testing chargers, checking USB power stability, or monitoring device consumption, this tester displays both voltage and current alternately on its bright LED screen for quick and accurate readings. Its one-to-two output design allows you to test one or two devices simultaneously for side-by-side comparisons.
Built with USB 2.0/3.0 compatibility, this portable tester works without any external power supply, making it convenient for technicians, hobbyists, and everyday users.
With a measuring range of DC 3V–9V and 0–3A (with capability up to 5A peak), it ensures reliable power testing across a wide range of devices. It's the perfect tool to ensure your chargers, power banks, and USB ports are performing safely and efficiently.
| Model | Ammeter, Voltmeter |
|---|---|
| Item Type | USB Current & Voltage Tester |
| Voltage Measuring Range | DC 3V – 9V |
| Current Measuring Range | 0 – 3A (supports up to 5A peak) |
| Interface | USB2.0, USB3.0 |
| Ports | 1 Input, 2 Output USB Ports |
| Display | LED Segment Display |
| Product Weight | 0.025 kg |
| Function | USB no-load & overload testing |