Can easily measure the USB ( PC USB, cell phone charger, car charger , mobile power , etc. ) port and device operating current and the output voltage charge-discharge capacity, performance, and judge the performance of the charging cable charging equipment, this tester can meet the requirements.
It can easily measure the output voltage of the USB port and the device operating current or load voltage.
Suitable for factories, laboratories and personal use, wide range and Easy to use, easy to take alone, no additional power supply, plug and play, clearly display all the data on oled display.

Specifications:
Model: KWS-V20
Material: Plastic
Color: Blue
Voltage: 3-9V+/-1%
Current: 0-3A+/-1%
Time: 0-99H
Size: 59*23*13.5mm
Net weight: 19g

Packing Includes:
1 * Current Voltage Capacity Tester