ESIE 2026: EVE Energy Launches World's First 6.9MWh Energy Storage System, Secures Over 50GWh Battery Contracts!

2026-04-16 | Calvin

From April 1 to 3, the 14th International Energy Storage Summit & Exhibition (ESIE 2026) was successfully held in Beijing.

EVE Energy made a powerful debut with its full-spectrum energy storage solutions, leading the way with the global launch of new products, international authoritative safety certifications, and strategic contracts exceeding 50GWh. The company demonstrated its leadership in the energy storage large battery sector across all dimensions.

Global Launch: 6.9MWh Energy Storage System Sets a New Industry Benchmark

EVE Energy unveiled its new Mr. Big Family series— the 6.9MWh energy storage system—setting a new milestone in large-capacity energy storage. This new product further strengthens the company's large-capacity energy storage product portfolio and continues to lead the large battery sector. The product is built on EVE Energy’s mature large battery platform and is defined by three core advantages: efficient integration, ultra-long life, and multi-dimensional safety, redefining the standard for large-capacity energy storage systems.

Efficient Integration: With a standard 20-foot cabinet design, the system’s energy density increases by 10%, and the single-cell volume energy density breaks through 430Wh/L. By optimizing space, the footprint is reduced by 6%, saving around 2.6 million RMB in initial investment costs per station, achieving remarkable cost reduction and efficiency improvement.

Ultra-Long Life: With a lifespan comparable to the battery cells, the system can achieve 10,000 cycles at 70% State of Health (SOH), combined with the maximum 3A smart balancing technology and precise thermal management. The system’s operating temperature difference is controlled within 5°C, ensuring stable operation throughout its entire lifecycle.

Multi-Dimensional Safety: The system features 1500V DC full-voltage level 5 protection and introduces an “AI + composite detection + staged firefighting” solution, offering a comprehensive closed-loop from early fire warning to long-term suppression.

Over 50GWh in Contracts: Building a Strong Industry Ecosystem with Partners

At the exhibition, EVE Energy celebrated several breakthroughs, signing strategic cooperation agreements with five leading industry players: Goldwind Zero Carbon, Jinko Energy Storage, Linyang Energy, China National Energy Storage Technology, and Ronghe Yuan Storage. These agreements focused on deepening cooperation in large energy storage batteries and core products, with a total contracted scale of over 50GWh. The substantial orders validate the market's and customers' high recognition of EVE Energy’s products and solutions.

Authoritative Certifications: Product Strength Recognized

Safety is the fundamental standard for energy storage products, and EVE Energy has always adhered to rigorous standards to refine the safety performance of its products. During the exhibition, the CSA Group presented EVE Energy with the certificate for passing the large-scale fire testing of its 628Ah energy storage 5MWh system. This certification once again demonstrates EVE Energy’s expertise in the safety design of large-capacity energy storage systems and provides a practical model for upgrading industry safety technology.

The testing strictly followed CSA/ANSI C800:25, UL 9540A, and NFPA 855 international standards, comprehensively validating the fire safety and thermal runaway prevention capabilities of large-capacity energy storage systems. Mr. Wu Wei, Business Director of the Industrial and New Energy Division at CSA Group, presented the certificate on-site, and Mr. Zhao Zihui, Director of EVE Energy’s Power Storage System Technology Center at the Energy Storage Research Institute, accepted the certificate on behalf of the company.

Additionally, EVE Energy’s 261kWh outdoor integrated storage cabinet received three certifications: SGS CB/CE/AS, while the S6900 energy storage system was awarded SGS CB/CE certification. These certifications further accelerate the company’s global compliance efforts and lay a solid foundation for expanding into overseas markets.

From the global launch of groundbreaking technologies to international authoritative certifications, and to over 50GWh in market-recognized orders, every move made by EVE Energy at ESIE highlights its deep engagement and accumulated expertise in the large-capacity energy storage sector. In the future, EVE Energy will remain committed to long-term principles, continuously advancing large-capacity energy storage core technologies, and partnering with global collaborators to build a new ecosystem for the energy storage industry, contributing sustainable power to the global green energy transition.