Feaures: Module name :400W boost constant current module Module properties: non-isolated step-up module (BOOST) Input voltage: DC8.5V-50V Input current: 15A (MAX) exceeds 8A please enhance heat dissipation Quiescent current: 10mA (12V liter 20V, the output voltage, the higher the current will increase too quiet) Output voltage: 10-60V continuously adjustable Constant] range: 0.2-12A Temperature: -40 to and 85 degrees (ambient temperature is too high, please enhance heat dissipation) Operating frequency: 150KHz Conversion efficiency: up to 96 percent Overcurrent protection: yes Input reverse polarity protection: no Installation: 4pcs 2.55mm screw holes Connection method: Connection Output Module size: 67mm X48mm X 28mm (LxWxH) Single module: 60g Package Include: 1 x 400W Boost Converter