It can test the current and voltage of the phone, mobile power bank, etc..
The device also determines the transmitted power.
With USB port and micro USB interface for convenient testing of devices.
With the LCD screen with blue backlight, you can easily read the current and voltage of the devices.
Press the small circle button to reset the data on the tester, then you can test the next data.
Specification:
Input Voltage: 3 - 7V
Input Current: 50mA - 3500mA
The LCD displays voltage, current and energy (mAh) simultaneously
High and Low Voltage Alarm