Energia
Sunwoda Debuts 684Ah & 588Ah Energy Storage Cells Globally at RE+ 25, Empowering Diverse Applications
Engineered with advanced stacking technology, achieves energy density above 440Wh/L and integrates thermal-electric separation with a three-dimensional heat dissipation structure to guarantee safe, stable operation. Built for longevity with 20+ years of service life, it integrates flexibly with 10ft, 20ft, and 30ft containers. Its high-density design reduces container use by 27%, shortens assembly time, lowers costs, and cuts LCOE by 8%, enhancing deployment speed and overall economics. The product is slated for mass production in Q4 2025, ensuring capacity to meet market demand.
applies proven winding technology enhanced with low-lithium-loss innovation, extending cycle life to 10,000 cycles at 70% SOH and enabling more than 20 years of reliable operation. With 96.5% energy efficiency, advanced electrolyte safety, and a directional venting design, it ensures long-term stability and cost-effectiveness.
As a global leader in integrated new energy technologies, Sunwoda ranked among the world's top ten energy storage cell suppliers in H1 2025 and has been recognized by BloombergNEF as a Tier 1 Energy Storage Manufacturer. The company continues to expand its international manufacturing footprint, with production bases in China , Thailand , Hungary , and other countries, ensuring localized, efficient, and reliable supply chain support for markets worldwide.
With its new 684Ah and 588Ah cells, Sunwoda will further reinforce its commitment to advancing large-capacity energy storage solutions and empowering the transition to a more sustainable energy future.
Founded in 1997, Sunwoda Electronic Co., Ltd. went public on the Shenzhen Stock Exchange (stock code: 300207) in 2011 and successfully listed GDR on the Swiss Stock Exchange in 2022, making it a leading enterprise in the global lithium-ion battery field.
Through nearly three decades of dedication and innovation, Sunwoda has not only solidified its leadership in lithium-ion battery technology with industry-leading solutions but also achieved remarkable business success—emerging as a hidden champion in the 3C battery sector, securing positions among the global top 10 in power battery installations, energy storage cell shipments, energy storage system shipments and ranked Bloomberg Tier 1 Energy Storage Manufacturer.
Learn more at www.sunwodaenergy.com
Zeng Edward , zengqinghua@sunwoda.com
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