This research presents a novel solar tracking system designed for efficient energy harnessing in the subtropical climate of South Vietnam. Utilizing a unique configuration of two solar panels connected in series and parallel to a battery, the system achieves optimal charging efficiency. The stored direct current (DC) energy is seamlessly converted to alternating current (AC) through an inverter, powering both a solar tracking motor and a hydrogen production machine. Experimental results demonstrate solar tracking efficiency ranging from 87.5% to 94.1%, stable battery charging efficiency between 76.5% and 83.2%, consistent inverter efficiency surpassing 88%, and hydrogen production efficiency from 82.4% to 88.5%. This integrated micro-grid system not only showcases advancements in renewable energy technology but also holds promise for addressing energy challenges in rural and island areas, emphasizing the significance of sustainable energy solutions for a cleaner and resilient energy future.