Sunwoda, a leading Chinese energy storage company, showcased its innovative 684 Ah large-format battery cell at the EESA Energy Storage Exhibition in Shanghai. The company highlighted the launch as a significant milestone in advancing its in-house capabilities for battery cells, packs, and systems, aimed at supporting utility-scale and grid applications.

The 684 Ah cell is designed to meet the growing demand for efficient energy storage solutions. Sunwoda plans to initiate small-batch trials in the fourth quarter of 2025, with mass production scheduled to start in the first quarter of 2026. The initial production capacity is targeted at 10 gigawatt-hours (GWh) annually, positioning the company to contribute significantly to the global energy storage market.

The battery cell incorporates advanced technical features to enhance performance and reliability. It utilizes AI-enabled stacking technology and a three-dimensional thermal management structure to optimize efficiency and safety. Additionally, the cell is compatible with high-voltage platforms up to 2,000 V, making it suitable for large-scale grid applications. Sunwoda stated: “The 684 Ah cell uses AI-enabled stacking and a three-dimensional thermal management structure and is compatible with 2,000 V high-voltage platforms.”

This launch underscores Sunwoda’s commitment to innovation in energy storage technology. By focusing on high-capacity cells and system-level integration, the company aims to address the needs of utility-scale projects, supporting the transition to renewable energy sources. The use of AI and advanced thermal management ensures the battery’s performance under demanding conditions, enhancing its suitability for grid-scale deployments.

The EESA Energy Storage Exhibition provided a platform for Sunwoda to demonstrate its technological advancements to industry stakeholders. The 684 Ah cell is expected to strengthen the company’s position in the energy storage sector, offering a reliable and scalable solution for global markets. The planned production ramp-up in 2026 reflects Sunwoda’s strategic focus on meeting rising demand for sustainable energy storage.

By leveraging domestic expertise and cutting-edge technology, Sunwoda is contributing to the development of efficient energy storage systems. The 684 Ah cell is poised to support grid reliability and renewable energy integration, aligning with global efforts to advance clean energy solutions. The company’s ongoing trials and production plans mark a significant step toward achieving these goals.

by pv-magazine