2V 314Ah A-Grade LiFePO4 Battery Cell is a high-capacity prismatic lithium iron phosphate cell designed for advanced energy-storage, solar, inverter, EV and commercial battery applications
With a large 314Ah capacity, 3
2V nominal voltage, exceptionally low 0
11–0
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Product Description
Short Description
The CORNEX 3.2V 314Ah A-Grade LiFePO4 Battery Cell is a high-capacity prismatic lithium iron phosphate cell designed for advanced energy-storage, solar, inverter, EV and commercial battery applications.
With a large 314Ah capacity, 3.2V nominal voltage, exceptionally low 0.11–0.19mΩ internal resistance and a specified 8000+ cycle life, this cell is designed for applications requiring high energy capacity, long service life and reliable repeated cycling.
The CORNEX 314Ah cell is an excellent choice for building high-capacity 24V, 48V/51.2V and other custom LiFePO4 battery systems.
Product Overview
The CORNEX 314Ah LiFePO4 Cell is an A-Grade large-format prismatic cell designed for professional battery-pack assembly.
Its high 314Ah capacity makes it particularly useful for applications where a larger amount of energy needs to be stored in a relatively compact number of cells.
The combination of A-Grade cell quality, 8000+ cycle specification and 0.11–0.19mΩ low internal resistance makes this cell suitable for long-term energy-storage applications as well as high-capacity battery systems.
Key Features
CORNEX LiFePO4 Battery Cell
A-Grade Cell
3.2V Nominal Voltage
314Ah High Capacity
Approx. 1004.8Wh Nominal Energy
8000+ Cycle Life
0.11–0.19mΩ Internal Resistance
Large-Format Prismatic Cell
Stable LiFePO4 Chemistry
Low Internal Resistance
High Energy Storage Capacity
Suitable for Solar Energy Storage
Suitable for Inverter Batteries
Suitable for Home Backup
Suitable for Commercial Energy Storage
Suitable for EV Applications
Suitable for UPS Systems
Suitable for Off-Grid Systems
Suitable for Custom Lithium Battery Packs
Technical Specifications
Specification Details
Brand CORNEX
Cell Grade A Grade
Chemistry LiFePO4
Cell Type Prismatic
Nominal Voltage 3.2V
Nominal Capacity 314Ah
Nominal Energy Approx. 1004.8Wh / 1.005kWh
Internal Resistance 0.11–0.19mΩ
Cycle Life 8000+ Cycles*
Operating Temperature -20°C to 60°C
Application Solar, Inverter, EV & Energy Storage
*Actual cycle life depends on charging/discharging conditions, depth of discharge, temperature, current, BMS settings, cell balancing and overall operating conditions.
CORNEX A-Grade 314Ah Cell
The CORNEX 314Ah cell is specified as an A-Grade LiFePO4 cell, making it suitable for professional battery construction.
A-Grade cells are preferred when consistent cell characteristics and long-term battery performance are important.
For assembling a multi-cell battery, it is recommended to properly match cells according to:
Cell voltage
Capacity
Internal resistance
State of charge
Overall cell condition
Proper cell matching can help improve the consistency and performance of the finished battery pack.
Ultra-Low 0.11–0.19mΩ Internal Resistance
One of the key advantages of this CORNEX cell is its very low specified internal resistance:
0.11–0.19mΩ
Low internal resistance can help reduce voltage drop and internal heat generation during current flow.
This characteristic is especially valuable for high-capacity battery systems where cells may be required to handle substantial current.
Actual resistance readings can vary depending on:
Cell temperature
State of charge
Measurement equipment
Measurement method
Cell condition
For professional battery assembly, cells with closely matched internal resistance are recommended.
8000+ Cycle Life
The CORNEX 314Ah cell is specified with:
8000+ Cycles
This makes it suitable for applications requiring frequent charge and discharge cycles over an extended period.
Potential applications include:
Solar energy storage
Home backup
Inverter systems
Commercial energy storage
Industrial energy storage
EV applications
UPS systems
Off-grid power systems
Actual cycle life will depend on operating conditions, depth of discharge, temperature, charge/discharge current and BMS configuration.
High-Capacity 314Ah Cell
Each CORNEX cell provides:
3.2V × 314Ah = 1004.8Wh
Therefore, one cell stores approximately:
1.00kWh Nominal Energy
This large capacity makes the 314Ah cell particularly useful for building high-energy battery systems with fewer cells compared with lower-capacity cells.
Battery Configuration Examples
4S 314Ah – 12.8V 314Ah
Using 4 cells in series:
4 × 3.2V = 12.8V
Nominal energy:
12.8V × 314Ah = 4.02kWh
Suitable for compatible 12V-class LiFePO4 battery systems.
8S 314Ah – 25.6V 314Ah
Using 8 cells in series:
8 × 3.2V = 25.6V
Nominal energy:
25.6V × 314Ah = 8.04kWh
Suitable for high-capacity 24V-class solar and inverter battery systems.
16S 314Ah – 51.2V 314Ah
Using 16 cells in series:
16 × 3.2V = 51.2V
Nominal energy:
51.2V × 314Ah = 16.08kWh
Suitable for large 48V/51.2V-class solar, inverter and energy-storage systems.
Parallel Configuration
Parallel connections can increase the total Ah capacity while maintaining the same nominal voltage.
Configuration Approx. Capacity
1P 314Ah
2P 628Ah
3P 942Ah
4P 1256Ah
For example:
16S2P = 51.2V 628Ah
Nominal energy:
Approx. 32.15kWh
The final configuration should always be selected according to the required inverter, BMS, load, charging system and application.
Suitable for 24V 314Ah Battery
The CORNEX 314Ah cell is particularly suitable for building a:
25.6V 314Ah LiFePO4 Battery
Using 8 cells in series (8S) provides approximately:
25.6V × 314Ah = 8.04kWh
This configuration is suitable for high-capacity:
Solar batteries
Inverter batteries
Home backup systems
UPS systems
Off-grid energy storage
Commercial backup systems
Suitable for 51.2V 314Ah Battery
Using 16 CORNEX 314Ah cells in series provides:
51.2V 314Ah
With approximately:
16.08kWh Nominal Energy
This makes the cell suitable for large solar and energy-storage battery systems.
Wide Operating Temperature Range
The provided specification indicates an operating range of:
-20°C to 60°C
Maintaining the battery within appropriate operating conditions is important for performance, safety and long-term service life.
For high-current applications, proper thermal management and installation conditions should be maintained.
Suitable Applications
☀️ Solar Energy Storage
Build high-capacity LiFePO4 batteries for storing solar energy during the day and using it during periods of low solar generation.
⚡ Inverter Batteries
Suitable for compatible 24V and 48V/51.2V high-capacity inverter battery systems.
🏠 Home Backup
The 314Ah capacity makes it suitable for substantial home backup requirements.
🏢 Commercial Energy Storage
Suitable for larger commercial and industrial energy-storage systems requiring high capacity and long cycle life.
🚗 EV Applications
Can be used for compatible electric vehicles and high-capacity EV battery packs, provided the complete battery is designed according to the motor/controller requirements.
🔋 UPS Systems
Suitable for compatible high-capacity LiFePO4 UPS and backup-power systems.
🌐 Off-Grid Systems
Suitable for remote and off-grid solar systems where long-duration energy storage is required.
Why Choose CORNEX 314Ah A-Grade Cell?
The CORNEX 314Ah cell combines:
314Ah High Capacity
3.2V Nominal Voltage
A-Grade Cell Quality
0.11–0.19mΩ Low Internal Resistance
8000+ Cycle Specification
Approx. 1.005kWh Energy per Cell
Large-Format Prismatic Construction
-20°C to 60°C Operating Range
This makes it an excellent option for users looking to build high-capacity, long-life LiFePO4 battery systems for solar, inverter, EV and commercial energy-storage applications.
Recommended Battery Assembly
For professional battery-pack construction:
Use cells of the same model and capacity.
Preferably use cells from the same batch.
Match cell voltage before assembly.
Check internal resistance.
Properly balance cells.
Use a suitable LiFePO4 BMS.
Use correctly rated busbars.
Use appropriately sized DC cables.
Provide proper insulation.
Use suitable fuse/breaker protection.
Provide proper mechanical cell support.
Configure the BMS according to LiFePO4 requirements.
Test the completed battery before commissioning.
Package Includes
1 × CORNEX 3.2V 314Ah A-Grade LiFePO4 Prismatic Cell
Not Included
BMS
Busbars
Battery Box
Charger
Cables
Cell Supports
Fuse/Breaker
Battery Assembly
Important Note
The specifications in this listing are based on the provided product image and your updated specification, including CORNEX A-Grade cell, 314Ah capacity, 0.11–0.19mΩ internal resistance and 8000+ cycle specification.
Actual performance and cycle life depend on charging voltage, discharge depth, current, temperature, BMS settings, cell balancing and overall battery-pack design.
For battery assembly, always use properly matched cells and a correctly rated LiFePO4 BMS, busbars, cables, terminals and protection system.
Frequently Asked Questions
The CORNEX 314Ah is a 3.2V A-Grade LiFePO4 prismatic battery cell designed for high-capacity battery-pack and energy-storage applications.
This product is specified as an A-Grade CORNEX LiFePO4 cell.
The nominal capacity is 314Ah.
The nominal voltage is 3.2V.
It uses Lithium Iron Phosphate (LiFePO4) chemistry.
The cell is specified with an 8000+ cycle life under suitable test and operating conditions.
No. Actual cycle life depends on depth of discharge, charge/discharge current, temperature, BMS settings, balancing and operating conditions.
The specified internal resistance range is approximately 0.11–0.19mΩ.
Low internal resistance can help reduce voltage drop and internal heat generation during current flow.
Approximately 3.2V × 314Ah = 1004.8Wh, or about 1.005kWh.
Yes. It is suitable for building high-capacity LiFePO4 solar energy-storage batteries.
Yes. They can be used to build compatible 24V and 48V/51.2V inverter battery systems.
Yes. The 314Ah capacity makes them suitable for high-capacity residential backup systems.
Yes. Their high capacity and long-cycle specification make them suitable for commercial and industrial energy-storage applications.
Yes. They can be used in compatible EV battery packs when the complete battery is designed according to the motor and controller requirements.
Yes. 4 cells in series (4S) can produce a 12.8V 314Ah LiFePO4 battery.
Approximately 4.02kWh nominal energy.
Yes. 8 cells in series (8S) can produce a 25.6V 314Ah battery.
Approximately 8.04kWh nominal energy.
Yes. 16 cells in series (16S) can produce a 51.2V 314Ah battery.
Approximately 16.08kWh nominal energy.
Yes. Parallel configurations increase the total Ah capacity while maintaining the same nominal voltage.
Two cells in parallel provide approximately 628Ah.
Yes. A 16S2P configuration provides approximately 51.2V 628Ah and around 32.15kWh nominal energy.
It is a large-format prismatic LiFePO4 cell.
The high capacity allows battery manufacturers to achieve large energy-storage systems using fewer cells compared with lower-capacity cells.
It indicates a very low specified internal resistance range, which can help minimize voltage drop and internal losses during operation.
Yes. Internal resistance measurements can vary depending on temperature, SOC, testing equipment, measurement method and cell condition.
The provided specification indicates an operating range of approximately -20°C to 60°C.
Yes. A suitable LiFePO4 BMS should be used when multiple cells are assembled into a battery pack.
Yes, provided the selected JK BMS has the appropriate series configuration, current rating and LiFePO4 settings for the completed battery.
Yes. Cells should preferably be matched according to voltage, capacity, internal resistance and overall condition.
It is recommended to use cells of the same model, capacity and similar electrical characteristics instead of mixing different brands or models.
Yes. They can be used for compatible high-capacity LiFePO4 UPS and backup-power systems.
Yes. They are well suited to high-capacity off-grid energy-storage applications when correctly configured.
Yes. An 8S configuration produces approximately 25.6V 314Ah, with around 8.04kWh nominal energy.
Yes. A 16S configuration produces approximately 51.2V 314Ah, with around 16.08kWh nominal energy.
Yes. Its 8000+ cycle specification, high 314Ah capacity and low 0.11–0.19mΩ IR make it suitable for long-term energy-storage applications.
It combines 314Ah high capacity, A-Grade quality, 0.11–0.19mΩ low internal resistance and 8000+ cycle specification, making it an excellent choice for solar, inverter, EV, UPS, home backup and commercial energy-storage battery systems.
