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CLOU Unveils Aqua-C3.0 Pro Energy Storage System at RE+

At the recent RE+ 2025 event, CLOU, a leading provider in the energy storage sector, launched its innovative Aqua-C3.0 Pro, representing a significant advancement in liquid-cooled energy storage technology. This event, recognized as North America's largest gathering for the energy industry, provided the perfect setting for CLOU to showcase its latest offerings aimed at enhancing system performance and reducing operational costs across the board.

Upgraded Features and Enhancements

The Aqua-C3.0 Pro builds on the success of its predecessor, the Aqua-C2.5, by introducing an impressive capacity of over 600Ah with an energy storage capability of up to 6.88MWh. This leap in technology not only enhances overall system efficiency but also bolsters safety measures and eases operational maintenance, ultimately contributing to a reduction in the total cost of ownership by an impressive 10.63%.

The new system includes several cutting-edge technologies designed to tackle common challenges in energy conversion and management. For instance, its direct-cooling technology strategically directs refrigerants straight to the battery cells, cutting down heat transfer stages and refining thermal management. This results in reduced temperature differentials among cells, leading to a more stable efficiency curve and a remarkable 10% cut in operational costs.

Innovative Technologies for Reliability and Efficiency

One of the standout features of the Aqua-C3.0 Pro is its Smart Scales technology, which enables real-time energy balancing across cells during operation. This flexibility means that performance gaps can be minimized promptly, reducing the risks of power derating and unexpected system failures. Moreover, the energy output lifespan of the system is boosted by 4% as a result of these enhancements.

In addition, the new SiC String PCS component lessens electrical losses, ensuring steady operation even under partial loads. By minimizing internal energy wastage and lessening cooling requirements, the system achieves a remarkable round-trip efficiency (RTE) of up to 92.3%.

Another significant innovation is its CTR architecture, which simplifies system design by reducing unnecessary components and connection points. This leads to greater consistency and reliability across battery clusters, crucial for maintaining long-term performance.

Safety First: Systematic Safeguards

Recognizing the safety concerns associated with high-capacity cells, CLOU has instituted several layers of safety features in the Aqua-C3.0 Pro. The CTR architecture is designed to compartmentalize thermal and electrical pathways, allowing controlled venting mechanisms to better handle abnormal situations. In addition, real-time balancing of the cells is aimed at preventing abrupt temperature surges, fortifying safety margins during operation.

The innovative 2.0 ThermoFlux active ventilation system, developed in collaboration with Midea Group’s Corporate Research Center, presents a robust safety net through its detection and suppression mechanisms against thermal runaway incidents, establishing an all-encompassing safety protocol that adheres to the stringent standards set by North America's National Fire Protection Association.

Simplifying Operations for Faster Returns

The Aqua-C3.0 Pro is not just about performance; it also prioritizes operational simplicity, addressing the hurdles often encountered during project deployment. Designed with a standard 20-foot container format for enhanced transport practicality, it streamlines installation and reduces timeframes for both commissioning and ongoing management.

With fewer parts and connections, coupled with enhanced active balancing capabilities, overall maintenance efforts are minimized, reflecting in lower lifecycle costs and improved operational performance over time. This thoughtful design empowers customers to expedite project rollouts, ultimately leading to quicker returns on investment.

Conclusion: A Promising Future in Energy Storage

CLOU’s Aqua-C3.0 Pro stands as a testament to the company’s dedication to leveraging technology to elevate energy storage capabilities. Wang Kai, Product Director at CLOU Energy Storage Company, stated that the Aqua-C3.0 Pro was developed through meticulous research and an acute awareness of customer needs. He emphasized that true value lies in the synergistic enhancement of efficiency, safety, and convenience, aimed at empowering customers worldwide to execute top-quality energy storage projects effectively.

Alongside the Aqua-C3.0 Pro, CLOU plans to continue innovating with comprehensive energy storage solutions, ensuring that they remain at the forefront of the evolving energy landscape.