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Ultra-high capacity 3.20V 392Ah LFP prismatic storage cells in square aluminum cases featuring rigid terminal pins for commercial and industrial energy storage systems.

LFP Prismatic ESS Battery Cell 3.20V 392Ah ATOMFAIR®

$500.00

Institutional Procurement & Supply Compliance: As a verified US supplier, Atomfair accepts formal institutional Purchase Orders (POs), contract billing schedules, and custom procurement loops for university and national laboratories, and corporate R&D departments globally.

Commercial-grade LFP prismatic cell for ESS, 3.20V 392Ah, 184Wh/kg, ≤7.0kg, 0.5C charge/discharge and ≥8000 cycles. Order now.

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3.20V 392Ah LFP Prismatic Cell | ATOMFAIR

COMMERCIAL GRADE · PRODUCTION

Product Overview
The ATOMFAIR® 3.20V 392Ah LFP Prismatic Cell is an ultra-high-capacity square aluminum case battery based on advanced lithium iron phosphate (LFP) chemistry. Specifically engineered for Energy Storage Systems (ESS) and large-scale stationary power applications, it delivers an outstanding energy density of 184Wh/kg with a lightweight design (≤7.0kg). Supporting stable 0.5C continuous charge and discharge rates, and an ultra-long cycle life of ≥8000 cycles at 0.5C/0.5C, 100% DOD with 70% retention, this cell provides exceptional durability, safety, and performance for grid-scale storage, renewable integration, peak shaving, load leveling, and industrial backup power. Its compact dimensions (75.0×182.0×224.5 mm including terminal) enable efficient battery pack integration for utility-scale, C&I, and residential ESS projects. For bulk inquiries or official volume quotations, please contact us via email at inquiry@atomfair.com.

Technical Specifications
PARAMETER VALUE
Cell Chemistry Lithium Iron Phosphate (LFP)
Dimensions (mm) with Terminal 75.0 × 182.0 × 224.5
Weight (kg) ≤ 7.0
Nominal Capacity (Ah) 392
Nominal Voltage (V) 3.20
Weight Energy Density (Wh/kg) 184
Max Continuous Charge / Discharge Rate 0.5C / 0.5C
Cycle Life (@25°C, 0.5C/0.5C, 100% DOD, 70% Ret) ≥ 8000 cycles

Key Features & Advantages
  • Ultra-High Capacity: 392Ah nominal capacity reduces total cell count and simplifies BMS for large-scale ESS.
  • High Energy Density: 184Wh/kg enables compact system design and lower balance-of-system costs.
  • Exceptional Cycle Life: ≥8000 cycles at 0.5C/0.5C, 100% DOD, 70% retention – engineered for two-decade service life in daily cycling applications.
  • Intrinsic LFP Safety: Exceptional thermal stability and resistance to thermal runaway, ideal for stationary storage environments.
  • Optimized 0.5C Rate: Reliable continuous charge/discharge at 0.5C matches typical ESS duty cycles, balancing performance and longevity.
  • Robust Prismatic Format: Square aluminum case with terminal provides structural rigidity, efficient heat dissipation, and straightforward pack assembly.

APPLICATION SCOPE: Energy Storage Systems (ESS) – grid-scale storage, commercial & industrial (C&I) storage, renewable energy integration (solar/wind), peak shaving, load leveling, backup power, microgrids, and off-grid storage solutions requiring ultra-high capacity and long cycle life.
PACKAGING: Humidity‑controlled vacuum sealed packaging, individual cell isolation in anti‑static foam lined cartons. Custom palletized packaging for bulk orders available upon request.
IMPORTANT NOTICE: Always use a dedicated BMS with appropriate protection functions. Operate the cell within the recommended voltage and temperature ranges for optimal performance and safety. Avoid mechanical abuse, over‑discharge, or short circuits. For first use, condition the cell under standard ambient conditions. Dispose of used cells in accordance with local regulations.
TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
EMAIL: INQUIRY@ATOMFAIR.COM
MANUFACTURER: ATOMFAIR LLC
BRAND: ATOMFAIR®

The ATOMFAIR 3.20V 392Ah LFP Prismatic Cell requires strict adherence to storage and electrical safety protocols to prevent capacity degradation and thermal runaway. Use only with a compatible BMS and operate within the manufacturer's specified voltage and temperature limits to ensure safe and reliable performance.

  • Storage Humidity Control: Store the cell in a dry, low-humidity environment to prevent moisture ingress and terminal corrosion.
  • Temperature Management: Operate and store the cell within the recommended temperature range to maintain performance and safety.
  • Electrical Protection: Always connect the cell to a dedicated BMS with over-voltage, under-voltage, over-current, and over-temperature protection.
  • Mechanical Integrity: Avoid mechanical abuse, puncture, or deformation of the cell casing to prevent internal short circuits.
  • First Use Conditioning: Condition the cell under standard ambient conditions before first use to stabilize the internal chemistry.

Safe deployment of this high-capacity LFP cell requires proper conditioning and protection. Follow these steps to integrate the cell into an energy storage system with a BMS and charger.

Required Equipment: Battery Management System (BMS), Constant current/constant voltage charger, Insulated cables and connectors, Fire-resistant enclosure

  1. Inspect the Cell
    Inspect the cell for any physical damage, leakage, or deformation before installation.
  2. Configure the BMS
    Verify the BMS is configured with the correct voltage and temperature limits recommended by the manufacturer.
  3. Connect the Cell to BMS
    Connect the cell terminals to the BMS using appropriately rated cables and ensure secure, low-resistance connections.
  4. Place in Enclosure
    Place the cell in a well-ventilated, fire-resistant enclosure designed for lithium battery storage.
  5. Charge the Cell
    Charge the cell at a 0.5C rate using a constant current/constant voltage profile to the recommended voltage limit.
  6. Monitor First Cycle
    Monitor cell voltage and temperature during the first charge cycle to ensure they remain within safe limits.
  7. Complete Conditioning
    Discharge the cell at 0.5C rate to nominal voltage to complete the initial conditioning cycle.

What is the specific energy density and cycle life of the 392Ah LFP prismatic cell under standard ESS duty cycles?

The ATOMFAIR 392Ah LFP prismatic cell provides a weight energy density of 184 Wh/kg and a cycle life of ≥8000 cycles at 0.5C/0.5C charge/discharge, 100% DOD, with 70% capacity retention. These values are directly from the technical specifications and indicate suitability for long-duration stationary storage.

Can the ATOMFAIR 392Ah LFP cell support continuous 1C discharge rates?

No, the maximum continuous charge and discharge rate is 0.5C. Exceeding that rate may compromise performance and cycle life. The cell is optimized for typical ESS duty cycles, not high-rate applications.

What are the packaging and first-use conditioning requirements for the 392Ah LFP prismatic cell?

The cell is supplied in humidity-controlled vacuum sealed packaging with individual isolation in anti-static foam lined cartons. For first use, condition the cell under standard ambient conditions as instructed in the important notice. A dedicated BMS must be used.

This 392Ah LFP prismatic cell delivers 184Wh/kg energy density and ≥8000 cycle life at 0.5C/0.5C, 100% DOD, making it a strong candidate for large-scale ESS deployments. However, its 0.5C maximum continuous rate limits applicability to high-power scenarios, and the cell requires a dedicated BMS with strict voltage and temperature monitoring.

Positive

  • Ultra-High Capacity and Energy Density: 392Ah nominal capacity and 184Wh/kg energy density enable compact system design with reduced cell count and simplified BMS for utility-scale ESS.
  • Exceptional Cycle Life: ≥8000 cycles at 0.5C/0.5C, 100% DOD with 70% retention supports a projected two-decade service life in daily cycling stationary storage applications.

Trade-offs

  • Limited Continuous Charge/Discharge Rate: Max 0.5C rate restricts the cell to ESS duty cycles and may not meet high-power or fast-charging application requirements.
  • Requires BMS and Strict Operating Precautions: A dedicated BMS with proper protection functions is mandatory, and the cell must be kept within specified voltage and temperature ranges to avoid mechanical abuse, over-discharge, or short circuits.

Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.

To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.

Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).

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