Features: Brand new with high quality The module has high power output and efficiency (up to 96.7%). The output can be up to 75W (and can further reach 100W when enhance heat-transfer) Output large power, high efficiency (96.7%), wide working voltage, the output power reaches 75W When the input and output voltage is above 20V, it can be achieved when the 128W output power Note 1: No reverse connection for protection, please pay attention to see the positive and negative input terminal. Note 2: The power module useage requires basic electronic circuit, improper use can damage IN+: Input Positive IN-: Input Negative OUT+: Output Positive OUT-: Output Negative Specifications: 1.Input Voltage:DC 4-30V 2.Input Current: 9A (max). 3.Output Voltage:DC 3.5-35V (this board is boosting board, output voltage>=Input voltage) 4.Output Current:6A (max) 5.Output Power: 75W (when the input and output voltage greater than 20V up to 128W) 6.Conversion Efficiency: 96.7% (the highest) 7.Output Ripple: 24mV(TYP) 8.Error:+/-0.1V. 9. Short circuit protection: yes (limiting current 14A) 10. Input reverse protection: no (if required, please enter the large current diode in the input) Size: 5.7x2.8cm/2.24x1.10inch Quantity: 1 Pc Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Contents: 1 Pc x Boost Step-up Module