In 2025, there will be significant changes in the field of energy storage batteries. According to regulatory documents disclosed by Samsung SDI on November 4th, the company is in talks with Tesla regarding the supply of energy storage batteries. Previously, South Korean media reported that the two sides have reached a three-year supply agreement, which is expected to supply about 10 GWh of energy storage system batteries annually, with a total of 30 GWh over three years, and a total amount of over 3 trillion Korean won (about 15 billion yuan).

This potential cooperation highlights that Korean battery companies are actively seizing global energy storage market share by accelerating the layout of lithium iron phosphate battery technology. Currently, Samsung SDI plans to achieve mass production of lithium iron phosphate batteries by 2026 and deploy related production capacity at its joint venture factory in Indiana, USA.

It is worth noting that in the global ranking of lithium-ion battery shipments in the first half of 2025, the top ten were all dominated by Chinese companies, while the three major battery companies in South Korea did not make it into the list. This situation is mainly due to safety concerns and cost issues of ternary lithium batteries in energy storage projects, which makes the market more inclined to choose lithium iron phosphate batteries.

In addition to Samsung SDI, other Korean battery companies are also actively expanding their presence. LG New Energy has signed a $4.3 billion lithium iron phosphate battery supply agreement with Tesla in July 2025, exclusively for its energy storage system; SK On reached a 7.2GWh energy storage system supply agreement with Flatiron in September and plans to convert some production lines at its Georgia plant to energy storage battery production. It is expected to achieve mass production of lithium iron phosphate energy storage batteries in the second half of 2026. Keywords: Battery Energy Latest News, Battery New Energy News

Industry insiders analyze that as demand for electric vehicles in the European and American markets continues to weaken, the three major Korean battery companies are making energy storage an important direction for adjusting their business structure and improving profitability. With its production capacity advantage in North America, Korean companies are expected to establish long-term cooperative relationships with leading energy storage system companies such as Tesla, which may change the current global energy storage battery market competition pattern dominated by Chinese companies. Editor/Yang Beihua