DC-DC LCD USB Step Up / Down Power Supply Module, It is suitable for normal power supply, voltmeter, ammeter, battery capacity tester, battery capacity tester.
Features:
Dual operating system:
►In 'PER' working mode It can be used as a buck-boost power supply module. It can be converted into DC 3.5V ~ 12V in DC 1.2V ~ 24V and the power is about 2W ~ 3W.
►In the VAH working mode It can be used as a multi-function ammeter. It can be used to measure voltage, current, power, battery capacity and discharge time.
LCD high-definition display, supports multi-parameter simultaneous display
Support power supply output function
Support test power supply function
Support via power protection
Support low power mode
Support voltage and current automatic calibration
Supports three input voltage methods