USB tester KWS-V20 — current meter in A, voltage in V, electrical capacity in mAh and time T.
With the help of this Keweisi KWS V20 tester, you will be able to measure the real capacity of the battery in: PowerBank, smartphone, tablet, GPS, navigator or other electronic device. It is very simple and easy to use, no special knowledge is required.
How to use:
Use the KWS-V20 device to monitor the charging of your batteries!
Connect in series: charger - KWS-V20 USB tester - power consumption device (phone, tablet, power bank or any device in the range of 4-20V, 0-3A). Follow the data on the display. They change: shows voltage, current, charge transfer time and amount of charge transferred now.
Connect the device to the USB port and make sure that it provides the stated output current and voltage. This device will help you charge your batteries more efficiently from the USB port.
The power analyzer is also great for checking the claimed characteristics of network power supplies with a USB output port!
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Color: Black
Features:
Model: KWS-V20
Name: Keweisi
Voltage measurement: 3.5 ~ 9V - 1%
DC measurement: 0.3 ~ 3A - 1%
Measurement of charging
capacity: 0 ~ 99999mA·h
Charging time measurement: 0 ~ 99 hours 59 minutes
Dimensions: 72 x 13.5 x 23 mm
Compatibility: USB devices