The 640/720/800/960kW full-matrix flexible charging stack (ultra-fast charging + fast charging) is composed of a rectifier cabinet, an ultra-fast charging terminal (1 600A liquid-cooled gun and its cycle), and a fast charging terminal (single gun 250A, dual guns 250A each, dual guns 300A each, freely combinable), totaling 16 guns. highway charging stations and other occasions that require DC ultra-speed charging.