YDN was founded in Shanghai, China in 2012 as a high-tech company specializing in energy storage products, technologies, business, and services. Our product line includes BMS, lithium batteries, battery packs, photovoltaics, inverters, and more. YDN provides energy storage solutions for the global market and has established long-term partnerships with over 50 partners in North America, Europe, and Oceania.At YDN, we adhere to the Three E concept, which emphasizes effectiveness, efficiency, and ease in our technology research and development, product design, and customer service.