Business Areas > Energy Storage System

Energy Storage System

Samsung SDI joined the Li-ion ESS business in 2011. It is of the world’s top technologies for small-sized lithium-ion rechargeable batteries. After just three years of running the business, we have been ranking on the top of the industry. Our solution delivers the world’s most stable rechargeable batteries, as we were able to leverage from our vast experience in the small-sized battery business. ESS is a high quality solution, as it is utilizing the same highly reliable batteries that are used in BMW electric cars.

ESS is optimized for specific countries. This empowered us to leverage electronics in the home market of Japan and Europe, and in the commercial market in the US, faster than our competitors. As a result, in the third quarter of 2014, we became the number one provider in the global ESS market with a market share of 23.6%.

A better choice for the clean earth, ESS

What do we need to do to make our earth cleaner? The energy industry has been transformed from the existing thermal and nuclear power into the green energy such as solar and wind power. In addition, many efforts have been made for efficient production and consumption of energy. This is the energy trend, from energy mass production to consumption, for smart and eco-friendly use of energy. And energy storage devices stand at the center of the trend. Samsung SDI is leading the paradigm shift of the future energy industry.

Samsung SDI initiated lithium battery ESS business in 2010 on the basis of world’s best technology of small-sized lithium-ion rechargeable battery. ESS, Large-size battery system, inherited full stability of our world’s best rechargeable batteries which have been used for the latest mobile devices and electric cars.

Samsung SDI’s ESS technology is able to meet various needs of the users and provides customized solutions for the various purposes of the electric power market. Our ESS provides not only the economy but also strong reliability through its long-lasting life, safety, and excellent performance. Spanning from the size of kWh to MWh, Samsung SDI supplies various ESS solution – residential, utility, commercial, UPS and base transceiver station – applicable to your everyday life, leading the green energy industry.

A better choice for tomorrow: Samsung SDI is creating the world of green energy with the environment-friendly production of electric power and its smart use. Everywhere in the world – your home, power plant, large-sized office and mobile base station, ESS goes with your everyday life.



In R&D Center, your primary responsibility is to contribute to the development of cutting-edge technologies that lead the industry and market trends. Your expertise will play an essential role in conducting extensive research and development activities focused on “super-gap technology” in lithium-ion batteries and beyond.


In Technical Teams, you will offer unparalleled technical expertise to our esteemed customers in the field of lithium-ion batteries and facilitate valuable connections within the European energy industry network. Furthermore, you will act as a quality expert and trusted advisor for our customers, providing technical-oriented guidance and support throughout the entire product lifecycle, and ensuring a smooth transition from acquisition to market launch with specific focus after start of production (SOP).


As a Sales Team Member, your primary responsibility is to develop and nurture relationships with customers, maximizing the flow of information and staying abreast of market trends to identify new business opportunities. By actively coordinating and collaborating with cross-functional departments, you will play a pivotal role in supporting new project launches. Additionally, you will be responsible for monitoring and ensuring the timely delivery of agreements, utilizing various tools and systems to facilitate efficient communication.

Strategic Marketing

As a Strategic Marketing Team Member, you gather, analyze, and interpret market data and information to provide strategic insights and support decision-making across the organization. Your expertise will play a key role in shaping our market strategy, identifying opportunities, and staying ahead of the competition. Moreover, you will strategically engage in public relations, ensuring that organization’s interests are well represented and understood by the public.

Management Support

You will collaborate with various departments within the organization to help implement the business strategy and support the decision-making process. Your responsibilities will encompass a range of areas, including personnel, general affairs, financial affairs, planning, and legal affairs. By utilizing your knowledge and skills in system design, laws & regulations, data analysis, and effective communication, you will play a critical role in facilitating the smooth functioning of the organization.