Features: _x000D_ 1. Constant output voltage/current, continuously adjustable. _x000D_ 2. High conversion efficiency up to 96%. _x000D_ 3. High power electronic components, stable and reliable. _x000D_ 4. Adopt aluminum substrate PCB with good thermal conductivity. _x000D_ 5. Mainly used for LED drive, DIY power supply, car power supply, solar charging power supply, battery charging, etc. _x000D_ _x000D_ Specification: _x000D_ Input Voltage: DC 10-40V _x000D_ Input Current: 6A Max _x000D_ Static Working Current: 10mA _x000D_ Output Voltage: DC 10-50V continuously adjustable _x000D_ Output Current: 6A Max (decreases as the voltage difference between input and output increases, please enhance heat dissipation when over 4A) _x000D_ Constant Current Range: 0.2-6A _x000D_ Output Power: Input voltage x 6A _x000D_ Working Frequency: 150kHz _x000D_ Conversion Efficiency: 92%-96% _x000D_ Input Reverse Connection Protection: Support _x000D_ Operating Temperature: -40~85 _x000D_ Module Size: 70*36*13mm / 2.7*1.4*5.1in _x000D_ Weight: Approx. 64g/2.2oz _x000D_ _x000D_ _x000D_ Output Voltage Regulation:_x000D_ Adjust the RV1 potentiometer and set the output voltage to your desired voltage according to your battery or LED. _x000D_ _x000D_ Output Current Regulation:_x000D_ Turn the RV2 potentiometer clockwise for about 30 turns to set the output current to the minimum value and connect it to the LED, adjust RV2 potentiometer to the required current. For charging the battery, connect the output after discharging the battery, then adjust the RV2 to the current you need. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Package list: _x000D_ 1 * Step-Up Power Supply _x000D_ _x000D_ Note: _x000D_ 1. The input/output voltage and current must not exceed the maximum value during operation to avoid damage to the power supply. _x000D_ 2. Pay attention to ventilation and heat dissipation when working for a long time to extend the service life of the power supply.