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

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.

FEATURES:

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.

SPECIFICATIONS:

• 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