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SINEXCEL Sirius 135K: A Game Changer at Intersolar Europe 2025

The 2025 Intersolar Europe expo saw the exciting debut of SINEXCEL’s latest innovation: the Sirius 135K, an energy storage solution designed for commercial and industrial applications. This cutting-edge system addresses two predominant challenges in the sector: poor adaptability and low return on investment (ROI). The Sirius 135K is not just a product; it is a comprehensive approach to energy conversion that embodies global readiness, scenario preparedness, and lifecycle sustainability.

Tackling Key Challenges in Energy Storage

Energy storage in commercial and industrial environments often grapples with significant issues. The poor adaptability of existing systems affects their connectivity to the grid, managing complex loads, and performance in harsh conditions, while the high initial costs and uncertain efficiency can severely detract from profitability.

The Sirius 135K presents a well-crafted solution. It offers global readiness with a versatile design that can meet varying grid voltages ranging from 208 V to 480 V 3P4W AC. Meeting rigorous certification standards such as UL, IEC, EN, JET, and VDE, this system facilitates quicker deployment and can reduce research and development costs by up to 25%. This scalability allows the Sirius 135K to serve multiple regions, including North America, Europe, and Southeast Asia.

Prepared for Every Scenario

One of the standout features of the Sirius 135K is its capability to handle demanding loads and extreme environments. The system maintains an impressive efficiency rate exceeding 98% in its power conversion systems (PCS), surpassing traditional models by a full percentage point. Its unique 3P4W topology enables active/reactive control capabilities and supports unbalanced loads entirely—a significant advantage for industrial zones demanding high power.

In areas with weak grid infrastructures, the Sirius employs virtual impedance and synchronization algorithms which ensure reliable connectivity, even under challenging conditions and harmonic interference at 25% base frequency. Rigorous lab tests have validated the performance of over 100 PCS units operating off-grid, capable of creating functional microgrids through SINEXCEL’s proprietary communication protocol.

In off-grid settings, the Sirius system collaborates fluidly with various generators, optimizing performance through a hybrid Diesel + Battery Energy Storage System (BESS) mode, which dramatically reduces fuel consumption, cuts costs, and lowers emissions. This capability is crucial for stabilizing power supply during significant events, ensuring network cohesion and swift transmission to counter sudden power fluctuations.

Lifecycle Preparedness and Longevity

The Sirius 135K maximizes cost efficiency through the use of silicon carbide (SiC) power devices, enhanced magnetic design, and transformer-less architecture, which doubles energy density while minimizing expenses. An integrated Schneider switchgear increases fault-clearing capacity tenfold, enhancing both safety and operational efficacy.

Additionally, raising the bar of versatility, SINEXCEL also unveiled solutions for technical infrastructure ranging from 450 kW PCS to a 10 MW integrated container solution. With its pioneering applications in AI data centers and low-altitude logistics stations, SINEXCEL demonstrates its commitment toward a fully electrified and sustainable future.

Conclusion

The introduction of the Sirius 135K at Intersolar Europe 2025 signifies a critical advancement in energy storage technology. Designed for flexibility, performance, and durability, it embodies a forward-thinking approach to energy solutions, paving the way for businesses to capitalize on energy efficiency while addressing pressing demands. As industries continue to evolve, innovations such as the Sirius 135K will become increasingly vital in promoting sustainable energy practices worldwide.