The Qiyuan two-way flexible charging stack is developed based on the flexible power distribution technologies, with a power distribution granularity of 30/40kW. It supports mixed configuration of two-way/one-way charging modules, enhancing the charging conversion rate and availability of charging facilities. Compatible with a range of vehicle types, it provides tailored charging solutions for vehicles with varying charging power requirements, establishing itself as a versatile and efficient provider of charging services for diverse battery charging and swapping stations.