Specification:

Input: 3V – 35VOutput: 4V – 40V adjustableEfficiency: 94% (MAX)Module size: 37mm x 32mm x 15mm (L x W x H)Operating temperature: -40 – 85 Load capacity: 80W (MAX)Mode of connection: Wiring terminals are free of soldering, IN is input, OUT is outputNote: The smaller the voltage difference between input and output voltage is, the greater the load capacity is, the higher the efficiency is.
Package included:

10 xDC-DC 3V – 35V to 4V – 40V adjustable step up power module