In MATLAB, modeling a PV system with battery storage using a bidirectional DC-DC converter involves creating a comprehensive simulation environment that integrates photovoltaic (PV) panels, batteries, and a bidirectional DC-DC converter. The model accounts for solar irradiance variations, battery state-of-charge, PV power generation, and system efficiency. MATLAB provides tools for designing the PV array, simulating solar energy generation, modeling battery behavior, and implementing control strategies for bidirectional power flow. Engineers can analyze system performance, optimize energy management algorithms, and assess the impact of different converter configurations on energy efficiency and battery lifespan. By simulating various scenarios and optimizing system parameters, MATLAB enables the development of efficient and reliable PV systems with battery storage, facilitating renewable energy utilization and enhancing grid stability.