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Home » Batteries » CLOU Aqua C2.5 Sets New Safety Standard: Survives 59-Hour Mega Fire Test
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CLOU Aqua C2.5 Sets New Safety Standard: Survives 59-Hour Mega Fire Test

Akanksha TomerBy Akanksha TomerJune 25, 20252 Mins Read
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CLOU Aqua C2.5 Sets New Safety Standard: Survives 59-Hour Mega Fire Test

By successfully completing an impressive 59-hour and 10-minute Large-Scale Fire Test, the CLOU Aqua C2.5 5MWh liquid-cooled energy storage system has raised the bar for energy storage safety assessment. Employees of the CSA Group saw and recorded the test in its entirety. The system showed remarkable resilience by retaining all of its structural integrity at temperatures above 1,300°C without experiencing thermal runaway propagation between the adjacent initiating BESS and target BESSs.

By successfully completing an impressive 59-hour and 10-minute Large-Scale Fire Test, the CLOU Aqua C2.5 5MWh liquid-cooled energy storage system has raised the bar for energy storage safety assessment. Employees of the CSA Group saw and recorded the test in its entirety. The system showed remarkable resilience by retaining all of its structural integrity at temperatures above 1,300°C without experiencing thermal runaway propagation between the adjacent initiating BESS and target BESSs. This illustrates how well the product performs in terms of thermal insulation and flame resistance, satisfying the client’s specific testing needs.

This testing milestone embodies Clou’s profound commitment to addressing clients’ safety imperatives. By ignition of Container A, sustained combustion persisted for 59 hours and 10 minutes until complete extinguishment without reignition. The testing methodology accurately simulates the full progression of extreme fire scenarios – from ignition, escalation to natural attenuation. The obtained critical data provides essential parameters for optimizing fire protection system design in energy storage plants.The key data that was acquired offers crucial criteria for designing energy storage plants’ fire safety systems as efficiently as possible.

“The test results have far exceeded our most stringent safety benchmarks. CLOU’s integrated approach combining superior flame retardancy, advanced thermal management and inherent system protection represents a significant advancement in energy storage safety engineering.” Eric Wang, System Director of CLOU ESS Division emphasized the solution’s forward-looking design, specifically engineered to address emerging challenges posed by high-energy-density battery technologies.

Aqua C2.5’s preparedness for GW-scale deployment is amply demonstrated by the test’s successful evaluation. The solution sets new certification standards for the worldwide energy storage market and provides unmatched protection against extended thermal runaway incidents. This milestone, which has important ramifications for utility-scale, commercial, and industrial applications globally, further solidifies CLOU’s leadership in next-generation energy storage safety technology. The system’s performance establishes a new safety bar for the industry and shows how contemporary energy storage technologies can seamlessly include strict safety regulations and excellent operating efficiency.

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Akanksha Tomer
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