KEWEISI USB current meter usb

Meter USB Keweisi KWS-V20 is a compact device that allows simultaneous measurement of voltage and current in ports USB. Simply connect it between the socket USB of a charger or computer and a receiving device, such as a phone, flash drive or external drive. The meter provides voltage and current information, allowing you to monitor port performance USB and the device charging process.

Technical specification:
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 requires no driver installation. It is ideal for monitoring and checking the current output of ports USB, monitoring the charging of power banks, tablets and smartphones.