SAJ (Sanjing Electric Co., Ltd.) is a China-based leader in smart energy solutions, with deep expertise in solar inverters, hybrid storage systems, and power electronics.

Since its establishment in 2005 (or around that period), SAJ has been committed to innovation and technological development in the clean energy sector. With a dedicated R&D division and advanced manufacturing capabilities, SAJ continuously refines its product architecture, ranging from residential and commercial inverters to full hybrid energy storage systems like the CHS2 series.

SAJ holds a significant number of international certifications and design awards (e.g., TÜV Rheinland, iF Design Award, Red Dot) reflecting its emphasis on quality, safety, and design excellence. With a global footprint spanning 80+ countries, SAJ’s solutions enable homes, businesses, and industries to optimize self-consumption, backup power, and overall energy efficiency. Driven by technology and sustainability, SAJ aims to support the worldwide transition to intelligent, resilient and carbon-neutral energy systems.