Description Module Name: 250W Constant Current Module Module Properties: Non-isolated step-up module (BOOST) Input voltage: DC8.5V-48V Input current: 10A (MAX) exceed 8A please improve heat dissipation Quiescent current: 10mA (12V liter 20V, output voltage, higher Current will rise too quietly) Output voltage: 10-50V infinitely adjustable Constant] range: 0.2-8A Temperature: -40 to +85 degree (ambient temperature is too high, please improve heat dissipation) Operating frequency: 150KHz Conversion efficiency: up to 96% Over current protection: yes Input reverse polarity protection: yes, Mounting: 4 screw holes 3mm Connection method: connection output Module size: length 70mm width 36mm height 13mm Single module: 50g Applications: 1, DIY power supply, 12V can input and output can 12-50V adjustable. 2, The power supply of your electronic device, according to your system can set the output voltage value. 3, As a car power adapter for lap