The Keweisi KWS-V20 USB meter is a compact device that allows for simultaneous measurement of voltage and current in USB ports. Simply plug it between the USB port of a charger or computer and a receiving device, such as a phone, USB drive, or external hard drive. The meter provides information about the voltage and current intensity, allowing for monitoring the performance of USB ports and the charging process of devices.
Technical specifications: Voltage measurement range: 4–20 V DC (accuracy ±1%) Current measurement range: 0.3–3 A DC (accuracy ±1%) Charging capacity: 0–99,999 mAh Charging time: 0–99 hours and 59 minutes Dimensions: 72 mm x 23 mm
The device is easy to use and does not require driver installation. It is ideal for controlling and checking the current performance of USB ports, monitoring the charging of power banks, tablets, and smartphones.
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