Mall KWS-V21 USB Current เครื่องทดสอบแรงดันไฟฟ้า Volt Current Charger ความจุ Tester Mete – โปรปัง

1. The IN- input is connected to the output port of the charger.
2. After the RTZ-clear key is pressed for 3 seconds, the screen display is cleared.
3. The OUT-input is connected to the USB port of the data cable.
4. Input voltage display window (4-20V) accuracy ± 1%
5. Charging current display window (0-3A) accuracy ± 1%
6. Battery capacity display window (0-99999mAH)
7. Working time display window (0-99H) Unit: minute

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