In MATLAB, power management of a DC microgrid consisting of photovoltaic (PV) panels, wind turbines, and batteries involves designing and implementing control algorithms to efficiently manage the power flow within the microgrid. The system integrates renewable energy sources like PV panels and wind turbines with energy storage systems such as batteries to ensure continuous and reliable power supply to connected loads. MATLAB provides tools for modeling the behavior of PV panels, wind turbines, batteries, and loads, as well as for developing control strategies to optimize power flow, balance supply and demand, and maximize the utilization of renewable energy sources. Engineers can use MATLAB to simulate various scenarios, evaluate the performance of different power management strategies, and optimize the operation of the microgrid to achieve goals such as cost reduction, energy efficiency, and grid stability. By leveraging MATLAB for power management in PV-wind-battery DC microgrids, engineers can design robust and sustainable energy systems suitable for remote or off-grid applications.