The rapid increase in portable electronic device usage has intensified the demand for sustainable and self-sufficient energy solutions. KineCharge addresses this need by innovatively harvesting kinetic energy generated during cycling and converting it into usable electrical power. The system uses a DC motor directly connected to a bicycle wheel, which produces electricity as the wheel rotates. This generated electrical energy is regulated through a diode to ensure proper current flow and is managed via a battery charging module. The harvested energy can be stored in a rechargeable battery for later use or accessed immediately through a USB output to charge smartphones and other portable devices. This design offers an environmentally friendly and cost-effective alternative to traditional power sources, particularly benefiting cyclists, outdoor enthusiasts, and individuals in remote or off-grid locations. KineCharge promotes clean energy utilization while providing a practical means to keep devices powered during travel. By leveraging mechanical energy from cycling, it reduces reliance on conventional electrical grids and supports the adoption of sustainable energy practices. Additionally, the project serves as an educational tool that demonstrates principles of energy conversion and renewable power generation. Designed for easy installation on most bicycles, KineCharge offers a portable and green energy solution adaptable to a variety of users. It exemplifies innovative thinking in renewable energy and contributes to fostering energy independence and environmental sustainability in everyday life.