As a professional AAA LiFePO4 battery factory, we specialize in the R&D and manufacturing of lithium iron phosphate (LiFePO4) batteries in the ultra-compact AAA form factor (model: 10440, dimensions: 10.2×44.5mm). Our factory adheres to national industrial policies and international manufacturing standards, integrating precision production equipment, strict quality control systems, and green manufacturing processes to deliver 3.2V AAA batteries with intrinsic safety, long cycle life, and stable performance. Serving global clients in portable electronics, medical devices, industrial sensors, and consumer products, we stand as a trusted partner for customized battery solutions.

Core Factory Capabilities: Compliance & Precision Manufacturing

1. Raw Material & Precursor Control (Factory-Scale Quality Assurance)

High-Purity Material Sourcing: Partner with top-tier precursors suppliers including Hunan Yueneng (global market share 29.8%) and Defang Nano, ensuring iron phosphate (FePO4·2H2O) and lithium carbonate (Li2CO3) meet ≥99.9% purity standards. Li/Fe/P molar ratio accuracy is controlled within ±0.02%, complying with national lithium-ion battery industry specifications.

Hybrid Carbon System: Adopt "glucose + acetylene black" composite carbon source, forming 5-8nm uniform coating via 600-700℃ carbonization. Internal resistance is reduced to 74-150mΩ, outperforming single carbon source configurations in conductivity and cycle stability.

Ultra-Low Impurity Control: Implement 3-stage purification (acid leaching → recrystallization → vacuum drying) plus on-site ICP-MS detection, limiting heavy metal impurities (Pb/Cd/Hg) below 10ppm, and harmful element content ≤10ppb, meeting RoHS and medical device material requirements.

2. Precision Production Process (Factory Compliance Standard)

Our factory operates 12 fully automated production lines with industry-leading process control capabilities, complying with national lithium-ion battery production specifications:

Electrode Manufacturing:

Coating thickness control precision ≤2μm, length control ±1mm, meeting factory-level uniformity monitoring requirements.

Shearing process with burr control ≤1μm, ensuring electrode structural integrity.

Cell Assembly:

Winding/stacking alignment accuracy ≤0.1mm, maximizing active material utilization within AAA form factor constraints.

Vacuum-sealed injection environment with dew point ≤-30℃, electrolyte injection precision ±1μL, preventing moisture contamination.

Online Detection Systems: Equipped with HI-POT high-voltage testing for internal short circuit detection, and real-time monitoring of electrode moisture content (≤10ppm) during drying process.

3. Performance Optimization & Modification (Factory R&D Strength)

Carbon Coating Technology: In-situ coating process forms complete conductive networks, achieving 84.9% capacity retention after 1250 cycles at 60℃, exceeding the national power battery cycle life standard (≥1000 cycles).

Ion Doping Enhancement: Trace Nb⁵⁺ ion doping (0.5-1.0mol%) expands lithium-ion diffusion channels, ensuring 70% capacity retention at -20℃, suitable for harsh environment applications.

Morphology Control: "Nano-micro hybrid particle" strategy balances rate performance and energy density, with compaction density ≥2.6g/cm³, meeting high-pressure density industry standards.

4. Factory Management Systems & Certifications

Triple ISO Certification: Successfully passed ISO 9001 (quality management), ISO 14001 (environmental management), and ISO 45001 (occupational health and safety) system certifications, achieving systematic management in quality, environment, and employee safety.

Environmental Compliance: Implement green manufacturing processes, including closed-loop recycling of electrode waste, 30% renewable solar energy utilization, and zero wastewater discharge, meeting national ecological protection requirements.

Occupational Safety: Monthly safety training for production staff, systematic identification of potential hazards (electric shock, chemical exposure), and full compliance with industrial safety standards for battery manufacturing.

Product Specifications (Factory-Standard Core Parameters)

Nominal Voltage: 3.2V

Nominal Capacity: 200-280mAh

Cycle Life: ≥1250 cycles (84.9% capacity retention at 60℃)

Charge/Discharge Rate: 1C charge, 3C continuous / 5C pulse discharge

Operating Temperature: Charge 0-45℃; Discharge -10-60℃

Factory Quality Control & Reliability

Strict Quality Assurance System

100% Batch Testing: Each production lot undergoes capacity consistency testing (±3% tolerance), voltage stability verification (3.2V±0.05V), and short-circuit protection testing. Battery consistency control: open circuit voltage precision ≤1mV, internal resistance precision ≤1mΩ.

Global Certifications: All products comply with CE, UL, IEC 62133, and UN38.3 standards, passing extreme environment tests including high-temperature cycling (60℃), mechanical shock (1500g, 6ms), and temperature cycling (-20℃ to 60℃).

Compliance with National Standards: Meet the "Lithium-Ion Battery Industry Standard Conditions" requirements, with annual R&D investment accounting for ≥3% of main business income, holding multiple technical invention patents.

Key Applications & Customization Services (Factory-Level Support)

Target Application Scenarios

Portable High-Power Devices: Mini LED flashlights, Bluetooth speakers, tactical gear—3.2V direct drive, 3C pulse discharge, and 1250-cycle lifespan reduce replacement frequency.

Medical Micro-Equipment: Wearable health monitors, mini diagnostic tools—zero heavy metals, low impurities (≤10ppb), and thermal runaway resistance meet medical safety standards.

Industrial Sensors: Wireless data loggers, environmental monitors—low self-discharge (≤2%/month), -10℃ operating temperature, and high-temperature stability (60℃) adapt to harsh conditions.

Consumer Electronics: Remote controls, wireless mice—2000+ cycle life (room temperature) and stable voltage output ensure consistent user experience.

Factory Customization Capabilities

Capacity Tuning: 200mAh (low-power long standby) to 280mAh (high-capacity demand), with optional high-energy-density variants.

Terminal & Casing Modifications: Anti-corrosion nickel-plated terminals, custom pin configurations, and moisture-resistant casings for industrial use.

Discharge Rate Optimization: 1C standard discharge or 5C high-pulse discharge variants, supported by precision electrode manufacturing.

OEM/ODM Services: Flexible production lines support custom packaging, logo printing, and batch order customization (MOQ: 3000 units).

Factory Scale & Supply Chain Strength

Production Capacity: 12 fully automated production lines, daily output of 30,000+ units, monthly capacity of 800,000+ units, with capacity utilization rate maintained at ≥50% (exceeding industry average of 35%).

Lead Time: 7 days for standard orders, 15-20 days for custom configurations, with global logistics and warehousing support.

Sustainable Manufacturing: ISO 14001-certified green factory, 30% solar energy utilization, closed-loop recycling system for LiFePO4 waste, reducing unit energy consumption by 18% compared to industry average.

Raw Material Security: Long-term strategic partnerships with top precursors suppliers, ensuring stable material supply and cost control through "resource-precursor-material" full-industry-chain cooperation.

Why Choose Our AAA LiFePO4 Battery Factory?

Compliance & Certification: Fully compliant with national industrial policies and international standards, holding ISO 9001/ISO 14001/ISO 45001 certifications and CE/UL/IEC 62133/UN38.3 product certifications.

Precision Manufacturing: Advanced production equipment with process control precision meeting national factory standards (coating thickness ≤2μm, alignment accuracy ≤0.1mm).

R&D Strength: Annual R&D investment ≥3% of revenue, integrating carbon coating and ion doping technologies, achieving 1250-cycle high-temperature stability.

Sustainable Production: Green factory with renewable energy utilization and waste recycling, aligning with global ESG requirements.

Flexible Support: OEM/ODM customization, low MOQ (3000 units), dedicated technical teams, and global supply chain services.

For businesses seeking a reliable AAA LiFePO4 battery factory with compliant production, strict quality control, and customized solutions, we are your ideal partner. Contact us today to visit our factory, discuss project requirements, and unlock exclusive cooperation opportunities.