ESS Cells

MB31 314Ah 3.2V LiFePO4 Prismatic Cell

314Ah 3.2V LiFePO4 prismatic cell with 1004.8Wh energy, 8000-cycle life, 0.18mΩ internal resistance, and wide temperature performance.

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PRODUCT DETAILS

Product Specifications & Technical Documentation

Complete product details — specifications, images, FAQ, and downloadable resources for this VoltCrave power solution

Details Specifications Certifications FAQ

MB31 314Ah 3.2V LiFePO4 Prismatic Cell Product Details (4)

314Ah Large-Capacity Prismatic Cell

The MB31 provides 314Ah capacity in a large-format prismatic structure, supporting high-capacity battery modules for stationary energy applications.

MB31 314Ah 3.2V LiFePO4 Prismatic Cell Product Details (1)

1004.8Wh Energy per Cell

With a specified energy rating of 1004.8Wh, the cell provides a defined energy platform for compatible battery modules and energy storage systems.

MB31 314Ah 3.2V LiFePO4 Prismatic Cell Product Details (2)

8000-Cycle Long Service Life

The supplied specification lists 8000 cycles, with a cycle condition of 70% SOH at 25°C.

MB31 314Ah 3.2V LiFePO4 Prismatic Cell Product Details (3)

0.18mΩ Low Internal Resistance

The specified initial internal resistance is 0.18mΩ ± 0.05mΩ, providing a defined electrical characteristic for compatible battery system integration.

MB31 314Ah 3.2V LiFePO4 Prismatic Cell Product Details (5)

Wide Charge and Discharge Temperature Range

Charging is specified from 0°C to 60°C, while discharging extends from -30°C to 60°C.

3.2V LiFePO4 Cell Platform

The cell uses lithium iron phosphate cathode material with a nominal voltage of 3.2V for structured rechargeable battery system integration.

Compact Large-Format Cell Design

With dimensions of 207.2 × 173.7 × 71.7 mm and a weight of 5600 ± 300g, the prismatic structure supports organized large-cell module layouts.

Designed for Solar Energy Storage

The supplied application specification identifies solar energy storage systems as a key use case for the MB31 cell.

Power System Integration

The cell is also specified for power system applications requiring large-capacity rechargeable battery modules.

Modular Battery Pack Architecture

The large prismatic format supports structured cell alignment, compression, terminal connection, and scalable battery module assembly.

Customizable for B2B Energy Projects

VoltCrave Power supports customer-specific cell configurations and battery solutions for different system architectures and project requirements.

Parameter Specification
Model MB31
Battery Type LiFePO4 Prismatic Cell
Rated Capacity 314Ah
Nominal Voltage 3.2V
Energy 1004.8Wh
Cathode Material Lithium Iron Phosphate
Cycle Life 8000 cycles
Cycle Condition 8000 cycles, 70% SOH at 25°C
Initial Internal Resistance 0.18mΩ ± 0.05mΩ
Working Temperature -20°C to 45°C
Charging Temperature 0°C to 60°C
Discharging Temperature -30°C to 60°C
Dimensions 207.2 × 173.7 × 71.7 mm
Weight 5600 ± 300g
Applications Power systems, solar energy storage systems

Representative safety, transport and market-compliance documents supporting qualified VoltCrave Power battery solutions for international B2B projects. Certification availability varies by product model and target market — contact VoltCrave Power to confirm the applicable compliance documents for your selected product.

  • Safety

    IEC 62133-2

    IEC 62133-2 battery safety test report
  • Market Compliance

    CE / EMC

    CE and EMC electromagnetic compatibility document
  • Transport

    UN38.3

    UN38.3 lithium battery transport safety document
  • Environmental

    RoHS

    RoHS restricted substances compliance document
  • Safety Documentation

    MSDS

    MSDS material safety data document
  • Cell Safety

    UL 1642

    Lithium cell component document. This is not certification of a complete VoltCrave Power energy-storage system.
    UL 1642 lithium cell component safety document
What is the capacity of the MB31 cell?
The cell has a rated capacity of 314Ah with a nominal voltage of 3.2V.
How much energy does one cell provide?
The supplied specification lists an energy rating of 1004.8Wh.
What is the specified cycle life?
The cell is specified for 8000 cycles, with 70% SOH at 25°C under the listed cycle condition.
What temperature ranges are specified?
Charging is specified from 0°C to 60°C, while discharging is specified from -30°C to 60°C.
Can the cell specifications be customized?
Yes. VoltCrave Power supports specification selection and customized battery solutions according to customer project requirements.

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MANUFACTURING

OEM & ODM LiFePO4 Battery Manufacturer — Full Customization

End-to-end custom lithium battery manufacturing — from cell selection and BMS programming to enclosure design, branding, and global certification

Enclosure & Electrical Customization

Custom LiFePO4 battery enclosure dimensions, colors, terminal layouts, and connector types. Tailor voltage (12V / 24V / 48V) and capacity to your target market requirements.

White-Label & Private-Label Branding

Full OEM battery branding: laser-engraved logos, custom label nameplates, silk-screened enclosures, and exclusive retail packaging. Your brand, our lithium battery technology.

Global Certification & Compliance Support

We assist distributors with CE, UL 1973, IEC 62619, UN38.3, and RoHS compliance for lithium battery imports. Complete technical documentation, MSDS, and test reports included for customs clearance.

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