3.2V 304Ah LiFePO4 Battery Cell: A High-Capacity Solution for Modern Energy Storage Systems

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As the global demand for renewable energy continues to grow, energy storage systems are becoming increasingly important for residential, commercial, and industrial applications. Solar power installations, backup power solutions, and large-scale battery storage projects all require reliable battery cells with suitable capacity and electrical performance.

For battery manufacturers, energy storage integrators, and professional distributors, selecting the right battery cell is an important step in developing an efficient battery system.

The 3.2V 304Ah LiFePO4 prismatic battery cell is designed for high-capacity energy storage applications. With a nominal capacity of 304Ah and an energy rating of 972.8Wh, it provides a practical option for customized battery pack manufacturing and energy storage system integration.

In this article, we explore its technical characteristics, key advantages, potential applications, and important considerations for B2B buyers.

1. What Is a 304Ah LiFePO4 Battery Cell?

A 304Ah LiFePO4 battery cell is a rechargeable lithium iron phosphate battery designed to store and release electrical energy.

It features a nominal voltage of 3.2V and a nominal capacity of 304Ah, providing a total nominal energy of:

3.2V × 304Ah = 972.8Wh

The cell adopts a prismatic aluminum-case structure, making it suitable for integration into customized battery modules and battery packs.

Compared with smaller-capacity cells, a 304Ah cell allows battery manufacturers to design battery configurations using fewer individual cells for a given nominal energy target, depending on the system voltage and configuration.

2. Key Technical Advantages

High Capacity for Energy Storage

With 304Ah nominal capacity, this battery cell is designed for applications that require substantial energy storage capacity.

Its 972.8Wh nominal energy provides a useful reference for battery pack design, system capacity calculations, and project planning.

LiFePO4 Battery Chemistry

Lithium iron phosphate is widely used in stationary energy storage applications.

Its characteristics make it a suitable chemistry for residential solar storage, commercial energy storage, industrial backup power, and customized battery systems.

Low Internal Resistance

The specified DC internal resistance is no more than 0.5mΩ.

Low internal resistance is an important consideration when evaluating battery cell electrical performance, heat generation, and battery pack design.

Continuous Current Capability

The cell has the following specified current ratings:

  • Continuous charging current: 250A

  • Continuous discharging current: 250A

  • Pulse charging current: 1.5C for 60 seconds

  • Pulse discharging current: 1.5C for 60 seconds

These specifications provide battery engineers with important information when evaluating cell suitability for different battery pack configurations.

Prismatic Aluminum-Case Structure

The aluminum-case design supports structured battery arrangement and mechanical integration.

Its defined dimensions also help battery manufacturers plan module layouts, cell spacing, and enclosure structures.

3. Technical Specifications at a Glance

Parameter Specification
Battery Chemistry LiFePO4
Nominal Voltage 3.2V
Nominal Capacity 304Ah
Nominal Energy 972.8Wh
Cell Type Prismatic Aluminum Case
DC Internal Resistance ≤0.5mΩ
Continuous Charge Current 250A
Continuous Discharge Current 250A
Charge Cut-off Voltage 3.65V
Discharge Cut-off Voltage 2.5V
Width 173.70mm
Thickness 71.70mm
Total Height 207.20mm
Weight 5.47kg

Dimensions and weight are nominal reference values. Please refer to the product datasheet for tolerances and measurement conditions.

4. Applications of 304Ah LiFePO4 Battery Cells

Residential Solar Energy Storage

Residential solar energy storage systems allow homeowners to store electricity generated by photovoltaic panels and use stored energy when needed.

High-capacity battery cells can be integrated into customized home battery systems to support household energy management.

Commercial and Industrial Energy Storage

Commercial and industrial users may require battery systems for energy management, backup power, and renewable energy integration.

304Ah prismatic cells can be evaluated for use in battery packs designed for these applications.

Battery Pack Manufacturing

For battery pack manufacturers, cell selection directly affects system voltage, capacity, mechanical structure, and electrical design.

The 304Ah prismatic cell provides a defined capacity and physical specification for customized battery pack development.

Renewable Energy Projects

Solar and other renewable energy projects often require energy storage solutions to help manage the difference between energy generation and consumption.

High-capacity LiFePO4 cells can form part of battery systems designed for these projects.

5. What Should B2B Buyers Consider Before Purchasing?

Choosing a battery cell requires more than comparing nominal capacity and unit price.

Professional buyers should evaluate several important factors.

1. Electrical Compatibility

Check nominal voltage, charge and discharge cut-off voltages, continuous current ratings, and the requirements of the intended battery management system.

2. Mechanical Dimensions

Cell dimensions, terminal spacing, weight, and enclosure requirements should be checked before battery pack production.

3. Operating Temperature

The specified operating temperature range should match the intended application and system thermal management design.

For this cell:

  • Charging temperature: 0°C to 60°C

  • Discharging temperature: -30°C to 60°C

4. Battery Management System Compatibility

The BMS should be selected according to the complete battery pack design, including voltage, current, protection requirements, and communication needs.

5. Supplier Documentation

B2B buyers should request the latest datasheet, applicable test reports, quality documentation, and batch-specific information before placing bulk orders.

6. Why Choose EH for Battery Cell Supply?

For energy storage projects, selecting a suitable battery cell supplier is an important part of building a stable supply chain.

EH focuses on energy storage products and battery solutions for professional B2B customers.

We work with buyers and project partners who need battery products for:

  • Battery pack manufacturing

  • Residential energy storage

  • Commercial and industrial ESS projects

  • Solar energy storage integration

  • Wholesale and distribution

  • Customized energy storage solutions

Our goal is to help customers evaluate product specifications and identify suitable battery solutions based on their actual project requirements.

7. Frequently Asked Questions

Q1: What is the nominal energy of a 3.2V 304Ah battery cell?

The nominal energy is 972.8Wh, calculated by multiplying 3.2V by 304Ah.

Q2: What battery chemistry does this cell use?

It uses lithium iron phosphate (LiFePO4) chemistry.

Q3: What is the continuous discharge current?

The specified continuous discharge current is 250A.

Q4: Can this cell be used for solar energy storage?

Yes. It can be evaluated for integration into residential, commercial, and industrial solar energy storage battery packs.

Q5: What is the cell weight?

The specified weight is 5.47 ± 0.05kg.

Q6: Can battery pack manufacturers use this cell for customized projects?

Yes. Its electrical and mechanical specifications provide a reference for customized battery pack design and integration. The final configuration should be verified by the battery system engineering team.

Conclusion

The 3.2V 304Ah LiFePO4 prismatic battery cell combines 304Ah nominal capacity, 972.8Wh nominal energy, low internal resistance, and a defined aluminum-case structure.

For battery manufacturers, energy storage integrators, distributors, and project procurement teams, it offers a cell option for evaluating customized energy storage battery solutions.

Selecting the right cell requires careful consideration of electrical specifications, mechanical dimensions, operating conditions, and system compatibility.

Looking for a 304Ah LiFePO4 battery cell for your next energy storage project?

Contact EH to discuss your application, required quantity, battery pack configuration, and project specifications.

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