We are a cutting-edge 3.2V AA rechargeable battery factory dedicated exclusively to 14500-format LiFePO4 (lithium iron phosphate) battery production. As an intelligent manufacturing base integrating green production, R&D innovation, and global supply, we specialize in delivering industrial-grade 3.2V AA batteries with ultra-stable performance, long cycle life, and eco-friendly attributes. Serving B2B clients across industrial automation, smart IoT, outdoor electronics, and medical devices worldwide, our factory’s core competitiveness lies in 3.2V-oriented intelligent production lines, green manufacturing systems, and scenario-driven R&D capabilities—setting a new benchmark for specialized battery factories in the global market.

Intelligent Factory Layout & Green Production System (Total Area 45,000㎡)

1. Dual-Base Intelligent Configuration with Global Logistics Access

North Intelligent Production Base (Jiangsu, 28,000㎡): Focused on large-scale mass production, equipped with 15 digitalized automated lines (annual capacity 22 million units). Adjacent to Ningbo Port (45min logistics radius), it features a digital twin production simulation system to optimize 3.2V battery manufacturing processes in real time. The base is specialized in bulk orders, with high-speed assembly lines achieving a production efficiency of 500 units per minute for standard 3.2V AA batteries.

South R&D & Customization Base (Guangdong, 17,000㎡): Integrated with 7 pilot lines, 2 core technology labs, and a 3.2V battery application testing center. 30min from Shenzhen Port, it focuses on small-batch customization, new technology verification, and scenario-specific solution development—supporting rapid iteration of 3.2V products for medical and industrial high-end markets.

2. Functional Zones with Green & Intelligent Attributes

Green Material Processing Zone (3,000㎡): Temperature (18±3℃) and humidity (40±5%) controlled space, equipped with closed-loop material purification systems for LiFePO4 cathodes (purity ≥99.5%) and silicon-doped anode modification. Dust-free Class 1000 environment reduces material waste by 30% compared to traditional workshops, aligning with green production standards.

Intelligent Electrode Manufacturing Zone (8,000㎡): Class 1000 cleanroom fitted with Japan’s Toray precision coating machines (thickness tolerance ±0.01mm) integrated with AI vision inspection. Automated calendering and slitting lines adapt to 3.2V battery electrode ratio (1:1.08 cathode/anode), ensuring uniform current distribution in AA-sized cells.

Smart Cell Assembly Zone (12,000㎡): 22 3.2V-calibrated production lines divided into three modules: precision winding (tension control ±0.1N with real-time feedback), laser sealing (Germany’s Trumpf systems with adaptive power adjustment), and temperature-controlled electrolyte injection (25±2℃, dosage accuracy ±0.01ml). The zone adopts AGV material transfer and digital production scheduling, reducing labor intervention by 85%.

Performance Calibration & Aging Zone (6,000㎡): Equipped with 3.2V constant-voltage aging ovens (72-hour cycle), cycle life simulators, and extreme environment test chambers. Each battery undergoes capacity activation and voltage calibration here, ensuring 3.2V discharge stability (fluctuation ≤0.05V) before entering packaging.

Eco-Packaging & Intelligent Warehousing Zone (16,000㎡):

5,000㎡ humidity-controlled (≤50%) finished product warehouse with automated storage/retrieval system (ASS), supporting 35 million units annual turnover and real-time inventory synchronization via cloud platform.

3,000㎡ raw material warehouse with anti-corrosion storage racks and moisture-proof monitoring, ensuring LiFePO4 cathode stability.

8,000㎡ green packaging workshop using recyclable materials, with flexible lines for bulk, blister pack, and custom-branded packaging—supporting 100+ packaging specifications.

3. Green Production & Environmental Compliance

Renewable Energy & Carbon Reduction: 100% of production energy comes from rooftop solar panels (12,000㎡) and offshore wind power cooperation, reducing carbon emissions by 7,500 tons/year. Certified with PAS 2060 carbon neutrality standard, achieving "zero carbon production" for 3.2V AA batteries.

Waste Recycling System: On-site electrolyte recycling plant (recovery rate 90%) with BASF’s advanced purification technology, reusing 85% of waste electrolyte in production. Battery shell recycling line processes 500 tons of metal casings annually, with a reuse rate of 92%.

Wastewater Treatment & Reuse: Daily 500m³ wastewater treatment plant adopting reverse osmosis technology, realizing 98% water reuse for workshop cleaning and equipment cooling—exceeding GB 21900-2008 and EU BAT environmental standards.

3.2V-Specific Manufacturing & R&D Capabilities

1. Intelligent Production Lines with 3.2V Optimization

Three-Category Specialized Lines:

8 precise material processing lines: Focus on 3.2V battery cathode purification and anode modification, with online purity detection to ensure raw material qualification rate of 100%.

10 intelligent cell assembly lines: Integrate AI vision inspection for winding alignment, laser sealing leak detection (rate ≤1×10⁻⁶ Pa·m³/s), and 3.2V electrolyte injection quantity calibration—reducing defect rate to 0.02%.

4 performance calibration lines: 72-hour 3.2V constant-voltage aging, automated voltage sorting (tolerance ±0.02V), and batch performance sampling—ensuring batch consistency.

Digital Manufacturing Management:

MES+ERP+WMS integrated system: Real-time monitoring of 150+ 3.2V-related parameters (electrode thickness, sealing temperature, aging voltage) with 0.05s sampling frequency, supporting production process traceability and quality prediction.

Digital twin simulation: North Base adopts digital twin technology to simulate 3.2V production processes, optimizing line efficiency by 25% and reducing new product trial time by 30%.

Scalable Capacity & Flexible Production:

Annual production capacity: 35 million 3.2V AA LiFePO4 batteries, ranking top 3 in the global specialized segment.

Bulk production: 100,000–800,000 units/month (lead time 5–12 days) with priority production slots for long-term partners.

Custom production: MOQ 800 units (lead time 2–3 weeks) via South Base pilot lines, supporting 3.2V capacity (1500–2800mAh), discharge rate (0.1C–15C), and special packaging customization.

Capacity expansion: 4 new intelligent lines under construction (commissioned Q3 2025), increasing annual output by 6 million units (total 41 million units/year).

2. R&D Innovation & 3.2V Technology Advancement

Specialized R&D Team: 25 R&D engineers (7 PhDs in electrochemistry) dedicated to 3.2V AA battery technology, with 18 patents (5 international PCT) covering low-temperature performance, high-rate discharge, and green manufacturing.

Core Technology Breakthroughs:

Silicon-doped anode modification: Improves 3.2V battery capacity by 15% (up to 2800mAh) while maintaining cycle life of 2000+ times.

Low-temperature electrolyte formula: Enables stable 3.2V discharge at -30℃ (capacity retention ≥80%), expanding application in extreme cold environments.

Intelligent formation technology: Shortens 3.2V battery activation time by 40% through variable current charging, ensuring consistent initial voltage.

Pilot & Testing Capabilities: South Base’s pilot line supports rapid prototyping (10–15 days) for custom 3.2V solutions, with an application testing center simulating industrial, medical, and outdoor usage scenarios to verify product adaptability.

3. Full-Lifecycle Quality Control System

Dual-Verification Quality Management:

Raw material dual-verification: Supplier qualification audit + on-site ICP-OES testing for LiFePO4 purity (≥99.5%) and anode moisture (≤0.1%), rejecting unqualified materials at the factory gate.

In-line 100% inspection: AI vision + manual sampling for electrode alignment, sealing tightness, and injection quantity—eliminating defects during production.

Finished product three-level testing: 100% aging calibration + 8% batch performance testing (cycle life, temperature adaptability) + pre-shipment random sampling (voltage stability, safety performance).

Advanced Testing Equipment:

3.2V precision voltage testers (Japan’s Yokogawa, ±0.001V accuracy) for batch consistency detection.

Multi-functional environmental chambers (US’s Thermo Fisher) for -30℃ to 65℃ temperature testing and 10–3000Hz vibration testing.

Safety test equipment: Short-circuit, overcharge, and impact testing compliant with UN38.3, UL 1642, and IEC 62133 standards.

Digital Traceability Platform: Unique QR code + RFID tag for each 3.2V battery, recording raw material batches, production line data, test reports, and logistics information—supporting 10-year data retention and one-click traceability.

Scenario-Driven 3.2V AA Battery Application Solutions

Industrial Automation: 3.2V AA batteries with ±0.01V voltage stability and 10–3000Hz vibration resistance, tailored for PLC backup systems and industrial sensors. The factory supplies 6 million units annually to global automation brands, supporting 7×24h continuous operation with 99.9% reliability.

Smart IoT Devices: Ultra-low self-discharge (≤1.5%/month) 3.2V batteries with 8–12 year service life, matching IoT node low-power consumption requirements. 4 million units/year are shipped to smart meter and environmental monitoring device manufacturers, with localized delivery via global logistics partners.

Outdoor Electronics: Wide-temperature 3.2V batteries (-30℃ to 65℃) with IP68 waterproof rating, ideal for GPS trackers, portable lighting, and solar-powered devices. The factory’s extreme environment testing ensures stable performance in deserts and polar regions, supplying 3 million units annually to outdoor equipment brands.

Portable Medical Devices: ISO 13485-certified 3.2V batteries with sterile production processes and biocompatible casings, used in blood glucose monitors and portable oxygen concentrators. The factory provides customized production schedules and on-site quality audits for medical clients, ensuring compliance with global medical device standards.

Core Advantages of the Factory

3.2V Specialization & Intelligent Manufacturing: Exclusive focus on 3.2V AA LiFePO4 batteries, with digital twin and AI-integrated production lines ensuring ultra-high consistency (voltage fluctuation ±0.02V).

Green & Low-Carbon Production: PAS 2060 carbon neutrality certification, 98% water reuse, and 90% electrolyte recovery—aligning with global ESG trends.

Strong R&D & Customization: 25 professional R&D engineers, 18 patents, and 10–15 day rapid prototyping, supporting personalized 3.2V solutions for diverse scenarios.

Global Supply & Compliance: Dual coastal bases, global logistics partnerships (Maersk, DHL), and full certifications (ISO 9001/14001/13485/45001, UN38.3, CE, RoHS)—ensuring smooth market access.

Transparent & Reliable Cooperation: Digital production monitoring, 10-year traceability, and 1000+ annual client factory visits—building trust through transparency.

High-Efficiency Service: 24-hour technical response, 5–12 day bulk lead time, and 3-year warranty—reducing client operational costs.

Customized Cooperation Models

Bulk Supply Partnership: Long-term supply agreements with volume-based pricing, price stability guarantees, and safety stock reserves—supporting just-in-time production for clients.

Custom Development Cooperation: Joint R&D for scenario-specific 3.2V solutions (e.g., ultra-high capacity, extreme temperature resistance), with pilot line support and technical documentation provision.

OEM/ODM Cooperation: Full-cycle OEM/ODM services covering product design, tooling, production, and packaging—adapting to client branding and technical requirements.

We sincerely invite you to visit our intelligent factory (virtual tour available online) to experience green production lines and R&D facilities. Contact us today for:

Free 3.2V AA battery samples (up to 8 units per client)

Detailed intelligent manufacturing brochures and technical datasheets

Tailored quotations for bulk/long-term cooperation

Custom 3.2V solution design (capacity, discharge rate, environmental adaptation)

Let’s co-create a sustainable future with high-quality 3.2V AA rechargeable batteries and intelligent manufacturing!