Item Type: Automatic Step Up Down Voltage Regulator Input Voltage: DC5-32V (Recommended more than 10V) Output Voltage: DC1V-30V continuously adjustable Output Current: 10A (MAX), long-term 7A Output Power: Long-term 80W, peak 130W, please strengthen the heat dissipation when more than 80W Output Ripple: 50mV (Measured at 12V to 12V, 5A) Short Circuit Protection: Yes Input Reverse Polarity Protection: None, if necessary, connect Schottky diodes at the input end Output Anti-Backflow: None, if used for battery charging or inductive load, please connect Schottky diode at the output end Size: 77.6x46.5x15mm / 3.06x1.83x0.59in Adjustment Method: 1. Battery undervoltage protection adjustment method: (Set the 10V undervoltage protection and shutdown output with 12V lead-acid battery as an example) Connect the input to regulated power supply and adjust to 10V, adjust the undervoltage protection potentiometer (clockwise increase, counterclockwise decrease), until the fault indicator (red light) is on, the setting is OK; Then when the battery is discharged to 10V, The power supply is automatically cut off to protect the battery from damage. Note: If it is not battery powered,do not need to set. 2. Output voltage adjustment method: Connect the input to power supply (voltage is higher than undervoltage protection value), red light is off, blue light is on, connect output to a multimeter, adjust output voltage potentiometer to the required output voltage (CW increase, CCW decrease). Note: Under normal condition, the red light is not on, the blue light is on, otherwise there is a faulty, please remove faulty them re-power. 3. Output current adjustment method: (Charge for 12V lead-acid battery with 12V input, charging current 5A as an example) Connect the input to 12V power supply, parallel the output to the multimeter, adjust constant current potentiometer (CW increase, CCW decrease), until the current shows the required value of 5A, remove the multimeter, and connect the battery to charge normally. Note: For constant voltage equipment, only the maximum output current needs to be set.