MUNICH, June 23, 2026 – CALB showcased its next-generation "Zhijiu" (Enduring) series of energy storage solutions at EES Europe in Munich. The company is building its offerings around a full family of long-cycle cells and a standardized system platform, covering everything from utility-scale plants to commercial and industrial parks. By delivering cells, systems, and services together, CALB wants to lower the levelized cost of storage (LCOS) and help customers move toward an efficient, safe, and affordable green energy transition.
Utility-Scale Storage Built for Europe's Toughest Conditions
For large-scale installations, CALB uses a fully integrated liquid-cooled design made to handle Europe's varied and demanding environments. It combines a 25-year ultra-long lifespan with high energy density to create a reliable storage backbone. The utility-scale lineup includes:
• 661 Ah ultra-large laminated long-cycle cell: Uses CALB's third-generation lamination process and mature lithium supplementation tech to deliver 15,000 cycles, zero degradation in the first three years, and a 25-year calendar life.
• 588 Ah large-capacity wound long-cycle cell: Built with proven processes for full-duration storage, standing out through its long-cycle technology.
• 6.25 MWh second-gen Zhijiu liquid-cooled container: Achieves a balance between energy density and transport limits in a standard footprint. Single-unit capacity is up about 25% over the previous gen, with roughly 40% fewer components.
• 20-foot 6.9 MWh container and 10-foot "10 MWh+" modular liquid-cooled system: The 20-foot unit maximizes energy density to cut upfront costs. The 10-foot container uses a decoupled design that simplifies transport and installation, shortening construction and grid-connection timelines.
C&I Storage with Flexible Setup and Fast Payback
For commercial and industrial parks, CALB offers flexible, safety-focused systems designed to speed up investment returns. Highlights include 261 kWh and 418 kWh liquid-cooled outdoor cabinets with ventilation and explosion-venting built into a multi-layer fire protection system. A single cabinet or multiple units can be combined as needed. The full series carries both European and North American certifications for top-level system safety. Combined with long-cycle cells and full-domain liquid cooling, the cabinets deliver strong whole-lifecycle economics.
Long-Life Cells for More Applications
Behind the product range is CALB's full lineup of long-cycle cells, including the 314 Ah Gen 2.0 cell already in mass production worldwide. Positioned as a "storage super cell," this family supports new applications beyond standard utility and C&I use cases.
CALB sees its core strengths in leading cell technology, standardized systems, and the ability to adapt to many scenarios. With the Zhijiu series, the company is building an energy storage ecosystem that covers utility, commercial-industrial, and multi-scenario deployments, supporting the global shift to clean energy and sustainable development.
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