Sungrow to acquire Samsung SDI battery cells for US market storage systems

Type: Supply Agreement · Technology: Storage · Country: United States · Announced: 2026-09-09

Sungrow, the Chinese inverter and energy storage systems manufacturer, has agreed to acquire battery cells from Samsung SDI to maintain deliveries to the US market. The agreement involves lithium-iron-phosphate (LFP) cells, with The Elec reporting a proposed three-year contract featuring annual supplies of several gigawatt-hours and a total value in the billions of South Korean won. While the exact volume and commercial terms remain unconfirmed, the source indicates the cells will be integrated into Sungrow's own storage systems. This move allows Sungrow to diversify its battery supply chain away from Chinese manufacturers amid tightening US restrictions on China-linked equipment. The cooperation builds on a prior joint venture established in 2014 and a 2016 manufacturing plant in Hefei, China, though the new deal focuses on US-bound supply. Samsung SDI is expanding its US storage production capacity through its StarPlus Energy joint venture with Stellantis in Indiana, aiming to start prismatic LFP cell production there in Q4 2026.

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