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  • $24.99
  • Free 30-day Returns
  • Sold by CircuMax

    Shipped by CircuMax

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    Meet Your Seller

    KWS-V20 LCD USB Voltage Meter Charger Capacity Tester Meter 3-9V 0-3A Power Bank Tester Meter Current Voltage Doctor

    • Real-Time Voltage & Current Monitoring: The KWSV20 LCD USB meter provides live amp and volt readings, allowing accurate testing of USB-powered devices such as smartphones, power banks, solar chargers, and USB adapters.
    • Built-In Memory Function: Equipped with a memory feature that retains working time and capacity data even after power is disconnected, making it easy to track charging performance without losing test results.
    • High Measurement Accuracy: This meter delivers high-precision measurements with ±1% accuracy for reliable and consistent results. It suitable for testing car chargers, tablets, computers, and USB power supplies.
    • Easy Reset for Fast Re-Testing: A convenient reset function lets you clear stored data by holding the RESET button for 3 seconds, enabling quick setup for new tests and improving overall usability.
    • Versatile USB Power Tester: Supports 39V voltage and 03A current measurement, the KWSV20 is a dependable tool for engineers, technicians, and DIY users who need precise USB power diagnostics.
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    Overview
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    MusRock

    Product Parameters

    Input and output current 0-3A
    Current resolution 0.01A
    Input and output voltage 3-9V
    Voltage resolution 0.01V
    Accuracy ± 1%
    Line loss around 0.1 ohms
    Size 59mm (including USB73mm) * 23mm * 13.5mm (length, width, height)
    Weight 20g
    60437

    Key Features??

    • This product is a USB intelligent detector, which can detect voltage, current, power, capacity, etc.
    • It can monitor data in real-time. Real time monitoring and mastering of charging data when using mobile power sources and mobile phone batteries.

    MusRock
    MusRock
    MusRock

    Product Parameters

    Input and output current 0-3A
    Current resolution 0.01A
    Input and output voltage 3-9V
    Voltage resolution 0.01V
    Accuracy ± 1%
    Line loss around 0.1 ohms
    Size 59mm (including USB73mm) * 23mm * 13.5mm (length, width, height)
    Weight 20g
    60437

    Key Features??

    • This product is a USB intelligent detector, which can detect voltage, current, power, capacity, etc.
    • It can monitor data in real-time. Real time monitoring and mastering of charging data when using mobile power sources and mobile phone batteries.

    MusRock
    MusRock
    KWS-V20 LCD USB Voltage Meter Charger Capacity Tester Meter 3-9V 0-3A Power Bank Tester Meter Current Voltage Doctor

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
    • CONTACT

    Return Policies

    • Return for refund within: 30 days
    • Return for replacement within: 30 days
    • This item is covered by CircuMax Return Policy

    Manufacturer Contact Info

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