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.
Features:
- Multifunctional Testing Tool: Measure voltage, current, discharge flow, and more. The tool also includes timing and overvoltage protection features, making it incredibly versatile.
- 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.
- Data Saving Function: Automatically saves data when the power supply is interrupted, ensuring you don’t lose important measurement data.
- 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.
- 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.
- 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
