Item Type: Car power module_x000D_ Material: Pastic and metal_x000D_ Module Size: Approx. 65 x 53 x 30mm / 2.56 x 2.09 x 1.18in_x000D_ Module Nature: Synchronous rectification non-isolated voltage reduction constant current constant voltage module CV charging module_x000D_ Scope of Application: High-power LED constant current drive, lithium battery charging (including ferroelectric), 4V, 6V, 12V, 14V, 24V battery charging, nickel-cadmium nickel-hydrogen battery (battery pack) charging, solar panel and wind generator._x000D_ Input Voltage: 6-40VDC_x000D_ Output Voltage: Continuously adjustable (1.2-35V DC) below 32V for a long time (applicable to applications where the input voltage is higher than the output voltage cannot be boosted)_x000D_ Output Current: Maximum 20A within 15A for a long time (please add a fan to dissipate the heat if the temperature of the power tube exceeds 65 , please derate for high voltage output)_x000D_ Current Limit Range: 0.2-20A (adjustment) module exceeds 65 degrees, please add a fan._x000D_ Minimum Voltage Difference: 3V_x000D_ Working Frequency: 150KHZ_x000D_ Conversion Efficiency: Up to about 96% efficiency is related to pressure difference and use environment_x000D_ Output Ripple: Ripple is about 50mV (no noise included) 20M bandwidth (for reference only) input 24V measured_x000D_ Working Temperature: -10 to + 75 ) (Please pay attention to the power tube temperature in actual use, if the temperature is too high, please strengthen the heat dissipation or derating)_x000D_ Potentiometer Adjustment Direction: Clockwise (increasing), counterclockwise (decreasing)_x000D_ Output Short-Circuit Protection: Yes (instantaneous protection) constant current (currently set constant current value cannot be short-circuited for a long time)_x000D_ Input Reverse Connection Protection: None_x000D_ Output Anti-backflow: No, for load self-charged or inductive load requires 2 extral tubes._x000D_ Wiring Method: Terminal