SOFAR EBI 125K-R PCS Module is suitable for C&I energy storage scenarios. It adopts a fully modular design, plug-and-play quick-connect terminal + rack-mounted installation method. It adopts a three-level topology with a maximum conversion efficiency of 98.3% and lower losses; it is equipped with active islanding protection function, intelligent air cooling control, inner and outer cabin separation and IP66 protection level, achieving no dead ends protection from the module to the whole machine, and can reach 45℃ under full load. Derating. In terms of grid friendliness, it supports a minimum SCR of 1.2, operates stably in a weak grid environment, and takes into account both high environmental adaptability and grid adaptability. It also has the industry's largest single unit power design of 125kW, adapts to 320Ah large-capacity batteries and a variety of system architectures, is compatible with air- and liquid-cooled single-cluster battery systems, supports parallel expansion, meets more diversified scenario requirements, and achieves lower LCOE.