KWS-V20 USB Voltage and Current Meter

This device is suitable for measuring the output voltage and current values of USB connectors of electronic devices.

It is highly suitable for checking the output values of U and A of USB chargers, current draw from tablets, navigation devices, mobile phones, and practically all devices powered by a USB connector. You can monitor the charging current and voltage of devices and observe the charging current and voltage in real time until the device is fully charged.

• The USB voltage and current meter measures voltage values and current drawn.
• The device is Plug&Play and is powered directly from the USB port.
• Measured voltage and current values are displayed cyclically on a digital display.
• Measurement range for voltage: 3.5 V – 9.0 V.
• Measurement range for current: 0 A – 3.4 A.
• Capacity (mAh): 0-99999 mAh
• Operating temperature: 0 – 60 °C.
• Dimensions: 72 x 23 x 13.5 mm

Package Contents:

1 x Digital USB voltage and current meter

Detailed overview in English:

http://goughlui.com/2016/08/20/review-teardown-keweisi-kws-v20-usb-tester/