Features When the output voltage is close to the input voltage, the load capacity is higher and the efficiency is higher Made of high quality electronic component, good contact quality. Wide input voltage, the best operating voltage range is 3V-35V. DC-DC Reload Converter Module, Efficiency Ratio is 94%, which is very high. Reasonable component layout, easy to wiring and use. Function: 1. When the output voltage is close to the input voltage, the load capacity is higher and the efficiency is higher 2. Made of high quality electronic component, good contact performance. 3. Wide input voltage, best working voltage range is 3V-35V. 4. DC-DC boost converter module, efficiency ratio is 94%, which is a very high value. 5. Reasonable component layout, easy to wiring and use. Specification: Condition:100% Brand New Item Type: Booster Module Color: As shown Input: 3V-35V Output: adjustable 4V-40V</a>Efficiency 94% (maximum) Working temperature: -40℃-+85℃ Maximum load capacity: 80 W Wiring Method: The connection terminal does not need to be welded, the "IN" is the input, and the "OUT" is the output. Package List: 1 x booster module. Note: Less voltage difference between input and output voltage, bearing capacity is higher and efficiency is higher Package List 1 x Step-up Module