ZK-SJ30 Adjustable Buck Boost Constant Voltage/Current, Power Supply Module w/ Display -700W, 30A

The ZK-SJ30 Adjustable Buck Boost Power Supply Module is a versatile and high-performance power module designed for a wide range of applications, including solar charging, lithium battery charging, LED constant current driving, and regulated power supply. It features an adjustable output voltage and current with an MPPT function, making it highly efficient and adaptable. With its robust protection mechanisms and precise control, it ensures safe and reliable operation.

Specifications of ZK-SJ30 Adjustable Buck Boost Power Supply Module

• Input Voltage Range: DC 6~80V

• Output Voltage Range: DC 1.3~78V

• Voltage Display Range: 1.40-80.00V (accuracy ±0.1V)

• Output Current Adjustment Range: 0~30A

• Current Display Range: 0.00A-30.00A (accuracy ±0.03A)

• Adjustment Knob:

  • MPPT voltage regulation

  • Output voltage regulation

  • Output current limit regulation

• MPPT Function: Yes

• Anti-Backflow: Yes, no need to connect a diode to the battery

• Constant Current (Current Limiting): Yes

• Over Power Protection: 700W, shuts down and displays OPP if exceeded

• Dimensions: 110mm x 93.5mm x 46mm (LxWxH)

• Product Weight:

  • 223g with display

  • 209g without display

• Weight Including Packaging:

  • 259g with display

  • 244g without display

• Applications: Solar charging, lithium battery charging, LED constant current drive, regulated power supply

How to Use ZK-SJ30 Adjustable Buck Boost Power Supply Module

1. Connect Input Power:

   • Ensure the input voltage is within the range of DC 6~80V.

   • Connect the input terminals to your power source.

2. Adjust Output Settings:

   • Use the adjustment knobs to set the desired MPPT voltage, output voltage, and output current limit.

   • Monitor the voltage and current displays to ensure accuracy.

3. Connect Output Load:

   • Connect your load to the output terminals.

   • Ensure the load does not exceed the maximum output current of 30A.

4. Protection Mechanisms:

   • The module will shut down and display OPP if the power exceeds 700W.

   • The anti-backflow feature ensures safe connection to batteries without the need for a diode.

5. Operational Tips:

   • For solar charging, adjust the MPPT voltage for maximum efficiency.

   • For battery charging, set the appropriate output voltage and current limit to match your battery specifications.