USB Adapter DC 5V to 3.3V 9V 12V 24V buck boost Converter/Power Supply Module + Digital Meter/Multifunction Display Tester

Description:

• Two Working Mode:
• Power Output Mode (PER): convert 3.5V~12V to 1.2V~24V.
• Multimeter Mode (VAH): measure voltage, amperage, power, battery capacity and discharging time.

• As USB buck converter & boost converter
• As voltmeter
• As ammeter
• As power meter
• As battery capacity tester meter
• As battery load capacity detector

• Connect to power supply from input terminal;
• Set work mode by keep pressing 'ON/OFF' for 10s;
• Connect load or Device Voltage;
• Rotate potentiometer to change output voltage if work in PER mode;
• Short press 'ON/OFF' to switch displayed parameter;
• Test and use.

• Power Output Mode (PER):
• Input voltage: DC 3.5V~12V
• Output voltage: DC 1.2V~24V
• Output power: 3W max.
• Max output power within 2W when outputs 1.2V~2V;
• Max output power within 3W when outputs 2V~20V;
• Max output power within 2.5W when outputs 20V~24V.
• Output voltage accuracy: +/- (0.5% + 1 digit)
• Output current accuracy: +/- (1% +2 digits)
• Multimeter Mode (VAH):
• Measuring voltage range: 0~35V
• Measuring current range: 0~3A
• Measuring power range: 0~110W
• Measuring battery capacity range: 0~9999Ah
• Discharging time: 0~100h
• Work Temperature: -40℃~85℃
• Work Humidity: 0%~95%RH

• No reverse connection protection. Do not short circuit and reverse.
• Adjust the working mode before using.
• USB port can only input DC 5V. Need to input power from 'VIN+' and 'VIN-' if input 3. 5V~12V.

• 1 x USB Power Module ( Adapter/Voltage Regulator/Panel Meter/Digital Meter )