2PCS Buck Converter 6.5V-36V 24V to 1.2V-32V 3.3V 5V 9V 12V Volt DC-DC Adjustable Step Down Voltage Transformer Regulator Board 4.5A 75W CC CV Power Supply Module with Constant Current Display Module

Input Voltage: 6.5-36V ( if the input voltage is lower than 6.5v, current accuracy will be inaccurate; LCD display panel will not show anything if it is lower than 5.5V) Output Voltage: 1.2-32V (The output voltage must be lower than input voltage, minimum dropout voltage is 2V, factory default output 5v) Output current: can work stably at 3.5A for a long time, and can reach 4.5A under the heat dissipation (adjustable current limit is about 4.2-4.5A) Output power: 50W (natural heat dissipation, within 3.5A); 75W (enhanced heat dissipation) Voltage Display: Resolution 0.05V, range 1.2-32V, resolving accuracy +/- 0.1V Current Display: Resolution 0.005A, range 0-4.5A, resolving accuracy +/- 0.05A Transfer Efficiency: About 94% Working Current: About 30mA

Output anti-Backflow: NO (If charge the battery, charge the module first and then connect the battery, and make sure the battery voltage is lower than the output voltage)

Four display module: Display input voltage & current Display output voltage & current Display input voltage & power Display output voltage & power

Applicable to DIY CNC power supply, office power supply, high-power LED constant current drive, lithium battery charging, etc.

Regulation control: IN/OUT button for switching LCD display ON/OFF button for switching or setting output status switch +/- button for regulating output voltage, short press to increase or decrease 0.05V, support long press for fast voltage regulation The precision potentiometer increases the rated current by clockwise and decreases conversely

Package include: 2 x Buck converter voltage regulator board 2 x Crystal protection case