SMAKN® New DC-DC LM2577 Adjustable Step-up Power Supply Module 3.5-30v to 4-30v Dc Power Regulator Boost Voltage Converter</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>*Wide Input voltage: 3V-30V</li><li>Output Voltage: 4-35V (Adjustable)</li><li>Output current: rated current 3A MAX ( Heat-sink Needed)</li><li>If you need its output power greater than 15W， please add with heat-sink</li><li>Conversion efficiency: Up to 92% (output voltage higher， the higher the efficiency)</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/51De6Kwnw8L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/513ZcNTfZFL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41YeLhS2s%2BL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41USx70DHsL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/516bdDEv5xL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51Dg83irmAL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/415lTY0OZyL.jpg' noproxy></br>