LiFePO4 Aluminum Cases Battery Cell
In the quest for efficient, safe, and durable power solutions, the LiFePO4 Aluminum Case Battery Cell has emerged as the technology of choice for demanding applications worldwide. Unlike standard battery cells, our prismatic LiFePO4 cells are encased in a precision-engineered aluminum shell, offering an unparalleled combination of thermal management, structural integrity, and long-term performance. Designed to meet the rigorous demands of commercial and industrial use, these cells represent the next generation of lithium-ion technology, providing a reliable foundation for your most critical energy systems.
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Product Introduction
Products Description
- Our LiFePO4 Aluminum Case Battery Cell is a high-power, long-life lithium iron phosphate cell designed with the professional integrator in mind. The core utilizes the inherent stability of the LiFePO4 (LFP) chemistry, which is renowned for its safety profile and cycle life. This chemistry is housed within a laser-welded, high-strength aluminum case that acts as a robust protective barrier and an efficient heat dissipation system.
- Each cell is manufactured to exacting standards, ensuring consistent capacity, voltage, and internal resistance. This consistency is crucial for building large-scale battery packs where balance and reliability are non-negotiable. Available in a range of standard and custom capacities (e.g., 50Ah, 100Ah, 280Ah), our cells provide the flexibility needed for diverse projects, from compact residential energy storage to massive grid-scale solutions.
Product Features:
- Robust Aluminum Case: The laser-welded aluminum enclosure provides superior mechanical strength, protects against moisture and contaminants, and significantly enhances heat dissipation compared to polymer cases.
- Exceptional Safety (LiFePO4 Chemistry): The lithium iron phosphate cathode material is inherently non-combustible and thermally stable, resisting thermal runaway even under harsh conditions like overcharging or short-circuiting.
- Long Cycle Life: Experience over 4,000 to 6,000 cycles at 80% Depth of Discharge (DOD), ensuring a service life that can exceed 10 years, which drastically reduces the total cost of ownership.
- High Discharge & Charge Rates: Capable of supporting high continuous discharge currents (often 1C-3C), making them perfect for applications requiring bursts of power, such as electric vehicles or power tools.
- Wide Operating Temperature Range: Performs reliably in a broad range of temperatures, from -20°C to 60°C, with built-in safety mechanisms for extreme conditions.
- Maintenance-Free Operation: Unlike lead-acid batteries, our LiFePO4 cells require no watering, equalization charging, or acid leaks, ensuring minimal maintenance.
Product advantages
- Superior Structural Strength: Made of 6061-T6 aluminum alloy, with tensile strength ≥276MPa and yield strength ≥241MPa-resists deformation during battery pack assembly and transportation, reducing B2B production losses.
- Efficient Thermal Dissipation: Aluminum material enables 30% faster heat transfer than plastic cases, lowering LiFePO4 cell overheating risk and extending battery cycle life by 20% for long-term B2B project reliability.
- High Customization Flexibility: Supports custom cell compatibility (18650/21700/32650), dimension adjustments (±0.1mm tolerance), and functional holes (electrode, ventilation, mounting)-adapting to diverse B2B battery pack designs.
- Global Compliance Assurance: RoHS, REACH, and ISO 9001 certified, with optional SGS/CE test reports-eliminating import barriers for B2B clients in EU, US, and Asian markets.
- Fast B2B Production Turnaround: 5-10 day lead time for standard custom orders; 72-hour emergency production for urgent projects (minimum order quantity 100pcs, bulk discounts available for orders ≥1000pcs).
Production Process
- Raw Material Inspection: Only premium-grade lithium iron phosphate, graphite, and electrolytes from certified suppliers are used.
- Electrode Manufacturing: Precision coating and calendaring processes ensure uniform thickness and density of the cathode and anode sheets.
- Cell Assembly: In a controlled dry room environment, the electrodes are stacked, separated, and then hermetically sealed within the aluminum case using advanced laser welding technology.
- Formation and Aging: Each cell undergoes a precise initial charge/discharge cycle (formation) to stabilize its chemical structure, followed by a resting period (aging) to screen for self-discharge anomalies.
- Testing and Grading: 100% of cells are tested for capacity, internal resistance (ACIR/DCIR), and open-circuit voltage (OCV). They are then graded into tightly matched batches to ensure perfect consistency for series and parallel connections.
- Final Quality Control: A final inspection checks for dimensional accuracy, welding quality, and terminal integrity before packaging.
Products application
EV Battery Packs
Our LiFePO4 aluminum battery case is ideal for electric vehicle (passenger car, commercial truck, forklift) battery modules. Its high strength resists vibration during driving, while efficient thermal dissipation ensures stable performance of 18650/21700 cells-we've supplied 50000+ cases to EV battery manufacturers in China and Europe.
Energy Storage Systems
For residential, commercial, and utility-scale energy storage systems (ESS), our case withstands -40℃~85℃ temperature fluctuations in outdoor cabinets. IP65 custom versions prevent dust and rain damage, ensuring long-term operation of LiFePO4 battery packs in solar/wind energy storage projects.
Industrial Equipment
Suitable for AGVs, medical devices, and portable industrial tools-corrosion-resistant surface treatment adapts to workshop oil, dust, and humidity. Precision dimensions ensure seamless assembly with industrial battery management systems (BMS).
Why Choose us
Our Integrating our LiFePO4 Aluminum Case Battery Cell into your products delivers significant competitive advantages:
- Enhanced System Safety: The inherent stability of LiFePO4 chemistry, combined with the protective aluminum case, mitigates fire risks and ensures operational safety, protecting your brand reputation.
- Maximized Return on Investment (ROI): The extraordinarily long cycle life means fewer battery replacements over the lifespan of your product, leading to substantially lower lifetime costs.
- Superior Performance Stability: The aluminum case ensures excellent thermal conductivity, preventing hot spots and maintaining consistent performance under high load, which is critical for power-intensive applications.
- Streamlined Pack Design: The rigid, prismatic shape of the aluminum case allows for efficient, space-saving stacking and modular design, simplifying the battery pack assembly process.
- Eco-Friendly Solution: LiFePO4 chemistry is non-toxic and contains no heavy metals like cobalt, making our cells a more environmentally responsible choice that aligns with global sustainability goals.
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