Neti Somthai from Thailand installed a 6200W all-in-one solar inverter, the POW-HVM6.2K-48V-N, paired with a 51.2V 100Ah battery. Due to strict regulations, high permit costs, and limited approved brands for grid-tied systems, the project adopts an off-grid design without AC input, ensuring a practical, independent, and cost-efficient energy solution.