en.Wedoany.com Reported - Eleknova this week launched a 500 kW/1,044 kWh integrated containerized energy storage system at the SNEC 2026 trade show in Shanghai, featuring a modular four-cluster architecture and a static transfer switch, primarily targeting critical backup power applications.
China-based Eleknova showcased this system based on LFP cells, with a cycle life of 8,000 cycles, an IP55 protection rating, and liquid cooling. The product offers standard certified hardware while supporting customizable integration and OEM services.
The system adopts a modular design, consisting of four parallel clusters, each containing five 52.2 kWh battery packs totaling 261 kWh, along with a 125 kW power conversion system. A static transfer switch is integrated into the container, enabling seamless switching between off-grid and grid-connected states within 20 milliseconds, suitable for critical backup power and microgrid scenarios.
Nick Jiang, Sales Director at Eleknova, told Photovoltaics magazine that the core hardware is standardized and fully certified, but the integration strategy is entirely customized based on specific project requirements. The company also offers complete OEM services. Manufacturing takes place at the main factory in China, while two units are stocked at a European warehouse for immediate shipment to shorten project timelines.
According to the manufacturer, the system uses high-capacity LFP 314 Ah cells configured as 4P260S. The battery has a rated DC voltage of 832 V, supports a maximum charge/discharge rate of 0.5 P, and achieves 100% depth of discharge under optimal temperatures.
The equipment is housed in an IP55-rated container measuring 2991 mm × 2438 mm × 2896 mm and weighing 14 tons, with a C4 corrosion protection level. Thermal management combines liquid cooling with forced air cooling, maintaining performance in ambient temperatures from -25°C to 55°C. The system will derate when temperatures exceed 45°C or altitudes surpass 2000 meters.
The system has a cycle life exceeding 8,000 cycles and uses Modbus TCP/IP protocol for industrial communication. Safety management includes dual aerosol and water spray fire suppression systems, with noise levels maintained below 80 dB. The architecture complies with safety and electromagnetic compatibility standards such as UN3536, IEC62477-1, IEC62619, IEC63056, and UL9540A, while also meeting international grid codes including EN50549, G99, VDE4105, NRS097, and C10/11.
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