Features: _x000D_ This is a non-isolation DC regulated power converter module with long service life. _x000D_ High power and stable output, it converts 4-32VDC to 1.2-32VDC. _x000D_ High quality components ensures high conversion efficiency, up to 98%. _x000D_ Designed with terminal blocks for easy and convenient wiring. _x000D_ It has constant voltage and constant current function, and supports short circuit protection. _x000D_ _x000D_ _x000D_ _x000D_ Specification:_x000D_ Type: Non-isolated step-down module (BUCK) synchronous rectification_x000D_ Input Voltage: 4-32V (limitation 36V)_x000D_ _x000D_ Output Voltage: 1.2V - 32V continuously adjustable _x000D_ Minimum Difference of Input/Output Voltage: 1V (input voltage should be higher than output voltage)_x000D_ _x000D_ Output Current: 0-10A (within 6A for long-term use of natural cooling, temperature should not exceed 60. Please reduce rated values if ambient temperature is high) _x000D_ Output Constant Current: 0.3-10A (adjustable)_x000D_ _x000D_ Operating Temperature: -40 to +85_x000D_ Frequency: 150KHz_x000D_ Maximum Conversion Efficiency: 98% (Efficiency is related to input/output voltage, current and voltage difference)_x000D_ Short Circuit Protection: Support (limit current is constant current )_x000D_ _x000D_ Reverse Input Protection: No, please connect to a diode in series at input if needed _x000D_ Output Flow-back Protection: No, please connect to a diode in series at input if needed _x000D_ Weight: 30g / 1.1oz (approx.)_x000D_ _x000D_ _x000D_ Package list: _x000D_ 1 * Module _x000D_ _x000D_ _x000D_ Voltage and Current Setting:_x000D_ 1, Set the output voltage:According to the float charging voltage value of the charged battery, or the voltage value of LEDs in series, regulating constant-voltage potentiometer (CV),_x000D_ to set output voltage to the required voltage. (setting when no load)_x000D_ 2, Set the constant current value:rotate CC potentiometer counterclockwise about 20 circles, then connect load with the ammeter, set CC potentiometer to required current value._x000D_ Do not use the method of short circuit to directly regulate the constant current value._x000D_ Note: When setting constant current, the voltage should be higher than 1.2V, otherwise constant current function will not work. 1This is a non-isolation DC regulated power converter module with long service life. 2High power and stable output, it converts 4-32VDC to 1.2-32VDC. 3High quality components ensures high conversion efficiency, up to 98%. 4Designed with terminal blocks for easy and convenient wiring. 5It has constant voltage and constant current function, and supports short circuit protection.