KWS - V21 QC2.0 LCD DIGITAL USB CHARGER POWER BANK METER VOLTMETER CURRENT DETECTOR TEST TABLE (GRAY)

● Real time monitoring, support QC2.0
● Input port connected to output port
● Out port connected to USB data cable port
● Reset clears key, press 3 - 5 seconds after the screen is cleared
● Can test USB charging current, voltage, discharge capacity, intelligent devices
● Input voltage display : 4 - 20V
● Charge current display: 0 - 3A
● Battery capacity display: 0 - 99999 mAH
● Working time display: 0 - 99 Minutes
● Current resolution: 0.01A
● Accuracy: 1 percent
● Work time and power capacity display with memory function
● Can be very easy to find digital devices charging problem