CALB, the Chinese battery technology specialist, used this year's EES Europe & Intersolar Europe in Munich to roll out its complete ZHIJIU series of energy storage solutions. The portfolio covers utility-scale plants, commercial and industrial parks, and emerging applications. It is built around long-cycle cells and standardized system platforms. With an integrated delivery model covering cells, systems and after-sales service, CALB says it can reduce the levelised cost of storage across the asset lifetime, giving project developers a clearer path to safe, efficient and cost-competitive green power.
Utility-Scale – Liquid-Cooled Backbone for European Grids
The utility-scale lineup features a full-stack liquid-cooled integrated architecture designed to meet Europe's demanding grid-code and environmental requirements. A 25-year design life and high energy density make these systems reliable foundation assets for front-of-meter storage.
661Ah Ultra-Large Laminated Long-Cycle Cell
The flagship product uses the industry's first third-generation lamination process combined with advanced lithium-compensation technology. Rated for 15,000 charge-discharge cycles, it shows zero capacity degradation over the first three years and a calendar life of 25 years – a new performance benchmark.
588Ah Large-Capacity Wound Long-Cycle Cell
Designed as a proven workhorse for full-duration storage, this wound cell uses mature manufacturing processes and long-cycle chemistry. It creates differentiated value for investors seeking reliable, bankable assets.
6.25MWh 2nd-Generation ZHIJIU Liquid-Cooled Container
The new container balances energy density with transport logistics within standard 20-foot dimensions. It delivers roughly 25% higher unit capacity than its predecessor while cutting system components by approximately 40%, simplifying installation and maintenance.
20ft 6.9MWh & 10ft "10MWh+" Modular Systems
The 20ft version offers enhanced density and reduced capital expenditure. More notable is the 10ft decoupled architecture, which simplifies shipping and on-site assembly, speeding up construction and grid-connection timelines. This is ideal for future long-duration storage projects where modularity and speed matter most.
Industrial & Commercial – Flexible, Safe, Payback-Focused
For C&I parks, CALB presented two liquid-cooled outdoor cabinets (261 kWh and 418 kWh) with ventilation and explosion-relief structures, forming a multi-layer active fire-protection system. They support single-unit or multi-parallel configurations and come with full European and American certifications. Paired with long-cycle cells and full-range liquid cooling, the cabinets deliver superior safety and life-cycle economics, shortening payback periods for commercial users.
Beyond Bulk Storage – Emerging Applications
CALB's long-cycle cell family, including its globally mass-produced 314 Ah Gen2.0 cells, supports a wide variety of emerging storage use cases – from behind-the-meter peak shaving to hybrid renewable-plus-storage projects. The company sees these cells as the core building block for next-generation energy systems that need both endurance and flexibility.
Full-Scenario Ecosystem for Global Energy Transition
With a comprehensive ecosystem spanning utility-scale, C&I and diversified scenarios, CALB is positioning itself as a professional battery-technology partner for the global energy transition. Its combination of leading cell innovation, standardized system design and full-scenario adaptability will help accelerate decarbonization while keeping projects economically sustainable.
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