In my recent work experience, I have been involved in the installation and maintenance of energy storage battery systems, focusing on commercial projects. This role included installation of large-scale lithium-ion battery systems, ensuring proper wiring, system Installing, upgrading energy management software. I also worked on routine maintenance, including diagnostics, troubleshooting, and optimizing system performance through software updates and hardware adjustments. Work services to date include NEE, NVE, Caballero Substation. Calpine's Nova Power Bank. NEE Kola CxUnder construction,2000 MWh.Etc. There are more than ten project sites.