The dual-split liquid-immersed transformer can be customized based on user requirements. Its internal insulation and cooling can utilize environmentally friendly vegetable oil or mineral oil. The high-voltage outlet adopts a shielded cold-shrink cable head, making it more suitable for use in high-altitude areas, with applications in regions up to 5000 meters above sea level. The transformer is used in fields such as photovoltaic power generation, energy storage systems, industrial and mining enterprises, and metallurgy, meeting the requirements of special operating environments.