Haosie 2PCS DC Boost Converter, XH-M411 DC 3-35V to 5-45V Output Voltage, Adjustable Step Up Voltage Regulator Module for Solar Panels

["【Wide Application】This great DC to DC boost converter module is suitable for electrical equipment, digital products, and more. Recommended for electronics professionals!","【Easy to Use】The module features screw terminal designs for both input and output, making it convenient for wire connection and disconnection. With a heat sink, it ensures better heat dissipation.","【LED Display】It has a voltage display function, which can display the input voltage or output voltage, just press the button to switch. It can also manually adjust the output voltage, (5V -45V ) convenient and practical.","【Large Current Output】Designed with USB and 2.5A large current output, our step-up converter board can identify resistance and simultaneously charge multiple smartphones.","【Multi-functionality】This module can also serve as a power supply for laptops or as a voltage regulator for solar panels."]