ITEM NAME:100W DC-DC Boost Step Up Converter Power Supply Module BX 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 Note: Please allow 1-3mm error due to manual measurement..1 Pc x Boost Step-up Module1. Short circuit protection: yes (limiting current 14A). Output Current:6A (max). Input Current: 9A (max).