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Risen Storage Unveils 'eFlex' Energy Storage System at World Smart Energy Week 2025

On February 19, 2025, Risen Storage proudly presented its innovative energy storage system, known as 'eFlex', during the prestigious World Smart Energy Week hosted in Tokyo, Japan. This state-of-the-art solution is designed as a flexible energy storage option, with a minimum building block of 836 kWh and scalability of up to 6.7 MWh. It effectively targets international markets, particularly focusing on regions such as Europe, North America, and Japan. The eFlex system aims to offer exceptional performance and adaptability, catering to diverse energy demands worldwide.

Maximizing Space and Energy Efficiency

The eFlex system is engineered for efficiency, characterized by its compact design that optimizes land utilization. Featuring high energy density and advanced liquid cooling technology, this storage solution ensures exceptional performance while minimizing space requirements. Such attributes make the eFlex ideal for deployment in areas where land availability is constrained, enabling it to shine in both urban and rural settings. This remarkable feature assists in addressing the growing energy storage needs while maintaining the integrity of limited space environments.

Streamlined Transportation and Installation

Risen Storage's latest offering considers the challenging infrastructure that often characterizes certain regions, especially in rural parts of Europe, North America, the Caribbean, and Japan. The eFlex system is designed for smooth transport, enabling effective distribution across varied terrains. Its modular, liquid-cooled structure ensures that installation is adaptable, thereby reducing both time and associated costs – a boon for installation in diverse geographical conditions.

Exceptional Performance in Varied Climates

One of the standout features of the eFlex system is its ability to operate within a broad temperature range, from -40°C to 55°C. This versatility guarantees that the system maintains reliable functionality across different climates in Europe, North America, and Japan. Furthermore, the design incorporates strong seismic resistance and IP55 protection, ensuring that the eFlex can weather the challenges posed by harsh environmental conditions, thus promising long-term stability.

Flexibility and Modular Design

The eFlex system allows for flexible configurations, supporting parallel connections of 6-8 units, resulting in customizable energy storage capacities ranging from 836 kWh to an impressive 6.7 MWh per system. The modular design not only enhances overall system efficiency but also reduces energy consumption, delivering a dual benefit of high performance coupled with eco-friendliness.

Comprehensive Safety and Certification Standards

Safety is paramount, and Risen Storage has ensured that the eFlex system meets rigorous international standards, including UL9540, UL9540A, CE, and NFPA 68/69 certifications. Equipped with MSD fuses, explosion-proof valves, and intelligent Battery Management Units (BMUs), the eFlex guarantees long-term safety and reliability, showcasing Risen Storage’s unwavering commitment to quality and service excellence.

About Risen Storage

With nearly two decades of experience in lithium battery solutions, Risen Storage specializes in developing advanced products including Power Conversion Systems (PCS), Battery Management Systems (BMS), Energy Management Systems (EMS), and large-scale Battery Energy Storage Systems (BESS). The company also holds the distinction of having its Energy Storage Battery System as the first in China to achieve UL9540A certification in both the US and China. With over 15 GWh of production capacity, Risen Storage has successfully deployed numerous large-scale projects globally, delivering more than 100 MW of power and earning accolades for its quality and robust service worldwide.

Risen Storage’s unveiling of the eFlex at World Smart Energy Week signifies a major leap in the evolution of energy storage solutions, aimed at meeting the increasing global demand for flexible energy systems.