On April 10, 2025, ESIE 2025 opened in Beijing, China. We noticed that several Chinese companies launched new battery cells.
CORNEX: 472Ah Battery Cell
As the industry’s only 400+Ah energy storage cell, CORNEX 472Ah battery features core breakthroughs in high reliability, high performance, long cycle life, and superior system compatibility. Each cell delivers a rated energy of 1,510.4Wh and an energy density of 195Wh/kg. Designed for complex application scenarios, it supports two advanced technological solutions—cathode pre-lithium and high-temperature durability—enabling up to 15,000 cycles with zero degradation at 35°C, aligning with the 25-year service life of photovoltaic systems.
Hithium: 587Ah Battery Cell
Through innovations in chemistry, process, and structural design, HITHIUM Energy Storage has systematically addressed the three core challenges of high-energy-density, large-capacity batteries: efficiency, lifespan, and safety. Powered by comprehensive technological advancements, the ∞Cell 587Ah ESS battery delivers 94.5% efficiency, a cycle life exceeding 10,000 cycles, and full compliance with safety standards such as GB/T and UL. Compared to the 314Ah cell, it offers a 6.5% increase in volumetric energy density.
CALB : 392Ah Battery Cell
The CALB 392Ah cell adopts SEI self-repairing technology, achieving the same cycle life as the 314Ah model while increasing single-cell capacity by 25%. Energy efficiency is improved to 95%, and the cell remains fully compatible with existing 314Ah production lines.
REPT: 392Ah Battery Cell
The REPT 392Ah large-format ESS cell achieves exceptional space utilization, significantly improving energy storage efficiency. Its zero-tab redundancy design enhances energy efficiency and product stability, while reducing potential safety risks to ensure long-term reliable performance. With a cycle life of over 12,000 cycles, 95% energy efficiency, and an energy density of 415Wh/L, it effectively reduces energy loss, boosts utilization, and delivers powerful support for energy storage applications.
AESC: 530Ah Battery Cell 
Envision AESC has unveiled a 530Ah energy storage cell delivering over 1.6kWh per unit. With 12,000-cycle longevity and 95% energy efficiency, it’s fully compatible with mainstream ESS solutions. Mass production and deliveries are set to begin in 2025.