TENER Stack incorporates CATL's high-energy-density cells with five-year, zero-degradation technology, achieving a 45% improvement in volume utilization and a 50% increase in projected energy density compared to conventional 20-ft container systems. The internal capacity reaches up. . Landmark innovation pairs high capacity with flexible transport, redefining large-scale energy storage MUNICH, May 7, 2025 /PRNewswire/ -- CATL today unveiled the TENER Stack, the world's first 9MWh ultra-large capacity energy storage system solution set for mass production at ees Europe 2025. . CATL catapults itself into the record books after unveiling the TENER Stack, the world's first 9-MWh ultra-large capacity energy storage system solution. The company revealed the next-gen product at ees Europe 2025. Unveiled ahead of ees Europe 2025, this cutting-edge technology promises to reshape how. . At ESS Europe 2025, Chinese battery giant CATL made headlines by unveiling the world's first 9MWh ultra-large capacity energy storage system solution, the TENER Stack. The system offers advancements in capacity, deployment flexibility. .