• Dagong ESS

314Ah Battery Cell Gains Momentum in Energy Storage Market

What are the features of the 314Ah lithium iron phosphate (LFP) battery cell?

The 314Ah high-capacity lithium iron phosphate (LFP) battery cell offers excellent performance and stability. Under standard discharge conditions of 1.0C and a cut-off voltage of 2.5V (at 25±2℃), the cell delivers a rated capacity of up to 314Ah, with a typical operating voltage of 3.2V. Its alternating current resistance (ACR) is less than 0.23mΩ (measured at 40% SOC, 1000Hz), contributing to higher system efficiency and reduced thermal losses.

This cell supports 1C constant current–constant voltage (CC-CV) charging, with a maximum charge current of 1C and a charge cut-off voltage of 3.65V. The maximum discharge current is also 1C, with a discharge cut-off voltage of 2.5V. Under standard 0.5C charging conditions, the charging time is approximately 2 hours, while fast charging (1C) takes around 1 hour. The recommended state of charge (SOC) window is 10% to 90%, ensuring optimal longevity and operational stability.

In terms of environmental adaptability, the cell supports a charging temperature range of 0℃ to 55℃ and a discharging temperature range of -30℃ to 55℃, maintaining reliable performance even in low-temperature environments. Under standard test conditions (25℃), the cell achieves a cycle life of over 6,000 cycles (with SOH ≥ 80%), demonstrating outstanding durability. With a weight of approximately 5,560g (±150g), it is well-suited for integration into various energy storage applications.

Why 314Ah Cells Are Becoming the Industry Standard

Compared to the previous mainstream 280Ah cells, 314Ah cells offer a capacity increase of approximately 12%, allowing each cell to deliver a full kilowatt-hour. This brings several key benefits:

• Higher Space and Cost Efficiency
  With fewer cells required per system, the number of connectors, management components, and battery sections is significantly reduced. This leads to simpler system architecture, lower costs, and improved assembly efficiency.

• Better Energy Utilization
  The “true capacity” of each 314Ah cell reduces energy losses and overdesign, enabling a more balanced and reliable system performance.

• Improved Project Viability
  In projects with long-duration requirements (2h or 4h), fewer but more powerful cells simplify the design while maintaining high system performance and safety standards.

Market Outlook and Industry Upgrades

Mass production of 314Ah cells began in 2023–2024, achieving a global penetration rate of 40% by the end of 2024. With the ongoing transition from 280Ah to 314Ah—currently at over 50%—this trend is expected to further accelerate in 2025.

Major battery manufacturers are now rolling out advanced versions of 314Ah products, including:

• REPT’s “Ask the Top” 314Ah Series

• Sunwoda’s Next-Gen 314Ah Cells

• CALB’s “Zhi Jiu” Series

• Lishen’s High-Energy-Density 314Ah Solutions

• CORNEX’s Long π Series

• Hithium’s Next-Generation 314Ah Core for Energy Storage

From Price-Driven to Quality-Driven Procurement

Since late 2024, procurement by central enterprises has moved from prioritizing cost to emphasizing long-term reliability and quality. Regulatory shifts have also phased out mandatory storage policies, allowing market forces to play a greater role. As a result, ESS suppliers must now meet more stringent standards for safety, performance, and integration capability.

Dagong ESS Products Showcase

At Dagong ESS, the energy storage products using 314Ah battery cells are as follow:

241kWh Air-Cooled Energy Storage System:The241kWh Air-Cooled Energy Storage System is a reliable and high-performance energy storage solution for industrial and commercial use. Its modular design with CTP technology ensures easy transport, installation, and maintenance. The system supports parallel expansion, real-time monitoring, and fault recording. With over 8,000 cycles (70% SOH) and a lifespan of 15+ years, it guarantees long-term reliability. CE, UN38.3, MSDS, and 3C certified for safety and compliance.

372kWh Liquid-Cooled Energy Storage System:The 372kWh Liquid-Cooled Energy Storage System is an efficient, reliable solution for industrial and commercial use. It features easy transport, installation, and maintenance, with real-time monitoring and fault recording. Its modular design and CTP technology enable flexible expansion. With robust safety protections, over 8,000 cycles (70% SOH), and a 15+ year lifespan (one charge per day), it ensures long-term performance.

5MWh Air-Cooled Container Energy Storage System:The 5MWh Air-Cooled Energy Storage Container (DHFL5MWh-2.5MW-2h) is a modular solution for industrial and commercial use. Featuring Lithium Iron Phosphate (LFP) batteries, it delivers 5MWh capacity and 2.5MW power within a 1000~1440V range, operating reliably in -20 to 60℃. Its industrial air cooling, perfluoroacetone fire suppression, IP54 protection, and C3 anti-corrosion ensure safety and durability. Supporting Ethernet communication and 360~440V grid voltage, it is ideal for peak shaving, grid stabilization, and renewable energy storage.

Price of 314Ah high-capacity lithium iron phosphate (LFP) battery cell

The price of the 314Ah high-capacity lithium iron phosphate (LFP) battery cell is based on EXW (Ex Works) terms and may vary depending on the supplier, quantity, and market conditions. To get the most accurate pricing, it is recommended to request a quote from a reputable energy storage system supplier. Please note that the final costs may vary based on fluctuations in raw material prices and exchange rates.

Dagong ESS (Dagong New Energy): Your Trusted Supplier of 314Ah high-capacity lithium iron phosphate (LFP) battery cell

Dagong ESS (Dagong New Energy) specializes in providing comprehensive solutions for new energy intelligent equipment. We offer reliable, efficient, and scalable energy storage solutions tailored to meet the needs of various industries. Our Energy Storage System products and 314Ah high-capacity lithium iron phosphate (LFP) battery cell are designed with cutting-edge technology, ensuring high performance, safety, and durability.

In addition to containerized energy storage systems, Dagong ESS provides a wide range of products, including residential energy storage systems, commercial energy storage solutions, and portable power stations. Our team of experts is committed to delivering innovative energy storage solutions that help businesses and communities achieve energy independence and sustainability.

If you are looking for 314Ah high-capacity lithium iron phosphate (LFP) battery cell and Energy Storage Systems or want to know more about our technical information, feel free to reach out to us by sending an inquiry to our corporate email at sales@dagongess.com, or simply visit the "Contact Us" page on our website to leave your message. We will respond to you promptly.