KWS-V21 USB Current Voltage Detector Capacity Tester

KWS-V21 USB Tester is used as a charger detector for your car charger, mobile power, desktop PC, tablet, laptop, mobile phone, charger, and so on, which can ensure the safety of charge.

Features

1. The IN-input end connects to the output port of the charger
2. RESET-clear key, press 3-5 seconds after the screen display is cleared
3. OUT-The output end connects the USB port of the data line
4. Input voltage display window (4-2(^>accuracy-1%
5. Charging current display window (0~3A) accuracy—1)4
6. Battery capacity display window (0~99999mAh)
7. Working time display window (0~990> unit minute
8. Working time and empty volume display with memory function after power off

Specifications

• Model: KWS-V21
• Size: length 59mm (with USB73mm)*width 23mm*height 3. 5mm
• Voltage: Input/Output Voltage: 4-20V, Voltage Resolution: 0.01V
• Current: Input/output current: 0-3A, current resolution: 0. 01A
• Accuracy: Accuracy: plus or minus 1%
• Line loss: Line loss: about 0.1 ohms
• Weight: 20g

Application

• Compatible with:QC2.0 /QC3.0
• Available to: USB Type-2.0

How to use the USB Multimeter Charger Detector

1. USB Power: Home charger, Car charger, Solar charger. PC.
2. By USB cable to Phone, Tablet, External battery, GPS, and so on.
3. Press and hold for 2s to reset time and capacity.