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KWS-V20 USB Current Voltmeter USB Tester/ USB Mobile Power Capacity Tester

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Available on backorder

Original price was: ₹343.85.Current price is: ₹309.35.

  • Estimated delivery time 2-4 days
  • (Subject to stock Availability)

Product details

The KWS-V20 USB Current Voltmeter and USB Mobile Power Capacity Tester is an indispensable tool for anyone dealing with USB-powered devices and power sources. It offers precision, versatility, and convenience in monitoring and evaluating USB-related parameters, ensuring the efficiency and safety of your electronic equipment. This compact tester allows you to monitor real-time voltage and current, evaluate the capacity of USB power sources, and ensure the efficiency and safety of your USB-powered devices.


  1. Multifunctional Testing Tool: Measure voltage, current, discharge flow, and more. The tool also includes timing and overvoltage protection features, making it incredibly versatile.
  2. Portable and Easy to Use: Its small size and portability allow you to use it anywhere and anytime. The screen displays current and voltage data for easy viewing.
  3. Data Saving Function: Automatically saves data when the power supply is interrupted, ensuring you don’t lose important measurement data.
  4. Quality Testing for Micro USB Cables: Evaluate the quality of Micro USB cables by measuring the voltage difference when charging a device. A smaller voltage difference indicates better cable quality.
  5. Battery Capacity Testing: Use it to fully charge a battery from completely no power using a linear charging circuit like TP4056. The capacity data displayed is the battery capacity. You can also test the charging capacity of mobile phones.
  6. Portable Power Source Capacity Testing: Connect the tool to a portable power source, discharge it to zero capacity, and then recharge it. The displayed capacity is the portable power source’s output in mAh.


  • Model: KWS-V20 USB Tester
  • Voltage (Input/Output): 4V – 20V
  • Current (Input/Output): 0A – 3A
  • Display: LCD screen with backlight
  • Time: 0-99H
  • Test Capacity Range: 0 – 99999mAh
  • Accuracy: ±1 percent
  • Input: USB 2.0 Micro USB
  • Output: USB 2.0
  • Application: Computer, Mobile phone
  • Product Dimension (L x W x H): 73 x 24 x 13.5mm

Package Includes:

1 x KWS-V20 USB Voltmeter

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