Usage Tips:1.High performance, continuously adjustable output voltage and current; 2.Add digital display function, output voltage can be displayed, making it more convenient to use; 3.Easy to operate, ready to use when connected to ; 4.Made of high-quality materials, with an input voltage of up to 80V; 5.Extremely efficient, up to 93%. Parameters: Input voltage: DC12-80V (cannot be used for 72V batteries) Output voltage: 2.5V-50V adjustable (can only be reduced) (maximum output voltage=input voltage * 0.8) Output current: 20A (MAX), 25A overcurrent Maximum power: 600W Conversion efficiency: 93% Protection: overcurrent protection Size: L100mm x W60mm x H32mm Working temperature: -40-85 Storage environment: -20 -+50 Relative humidity: 65 20% Wiring: In high-power situations, the wiring should be as thick as possible. Interface Description: IN+: Input positive pole IN -: Input negative pole OUT+: output positive pole OUT -: Output negative pole VADJ: Output voltage regulation, clockwise large and counterclockwise small Attention: To charge the battery and battery, please add a diode to the output to prevent backflow. Colour:green+silver Material:PCB+metal+electronic components Different batches may have different appearance, which does not affect use. Package Contents: 1 x DC-DC Buck Converter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.