Features When the output voltage is close to the input voltage, the carrying capacity is higher and the efficiency is higher Wide input voltage, the best working voltage range is 3V-35V. Made of high quality electronic component, good contact performance. DC-DC boost converter module, the efficiency ratio is 94%, which is very high. Reasonable component layout, easy to wire and use. Feature: 1. When the output voltage is close to the input voltage, the carrying capacity is higher and the efficiency is higher 2. Made of high quality electronic component, good contact performance. 3. Wide input voltage, the best working voltage range is 3V-35V. 4. DC-DC boost converter module, the efficiency ratio is 94%, which is very high. 5. Reasonable component layout, easy to wire and use. Specification: Condition: 100% Brand New Item Type: Step-up Module Color: As shown in the picture Input: 3V-35V Output: 4V-40V adjustable Efficiency: 94% (maximum) Working Temperature: -40 ℃-+ 85 ℃ Load Capacity: Maximum 80W Wiring Method: The connection terminal is does not need to be welded, the "IN" is the input, and the "OUT" is the output. Package List: 1 x Step-up Module Note: The smaller the voltage difference between the input and output voltage, the carrying capacity is higher and the efficiency is higher Package List 1 x Step-up Module