Harness the power of the sun with a DIY solar phone charger! Gather a small solar panel, USB step-up converter, battery holder, and some soldering tools. Connect the solar panel to the USB converter, ensuring the positive and negative wires align. Attach the battery holder to store the energy. Solder the connections securely. Enclose your setup in a small, portable case. Perfect for outdoor enthusiasts or emergency backup. It’s rewarding to create something sustainable and functional. Share your creations and tag me! Let's inspire more green innovation. 