3.2V 4000mAh LiFePO4 Battery 2000 Cycles High Discharge

IFR26650N40A12 3.2V 4000mAh High Discharge LiFePO4 Battery With 2000 Cycle Life

Product Name​

IFR26650N40A12 Lithium Iron Phosphate Battery

​Advantages​

• High energy density and long cycle life (2000 cycles).
• Low internal resistance (25 mΩ) for efficient power delivery.
• Supports high discharge currents (up to 12,000 mA).
• Stable performance in extreme temperatures.
• Eco-friendly and non-toxic materials.

​Specifications​

​Cycle Life​

2000 cycles at 50% depth of discharge (DOD).

​Discharge Curve​

​Operating Temperature Range​

​Certifications​

• CE
• RoHS
• UN38.3
• ISO 16949 (sample list; actual certifications may vary).

​Key Features​

• Built-in safety features: overcharge, over-discharge, and short-circuit protection.
• Long-term stability and low self-discharge rate.
• Compatible with lead-acid batteries in energy storage systems.
• Lightweight and compact design for space-constrained applications.

​Applications​

• Electric vehicles and scooters.
• Renewable energy storage systems.
• High-power tools and equipment.
• Drones and robotics.
• Backup power supplies.

​Usage Warnings & Precautions​

• Avoid charging below 2.0V or discharging above 3.65V.
• Use a compatible charger with LiFePO4 technology.
• Do not expose to extreme heat or flames.
• Ensure proper ventilation during charging.

​Storage Guidelines​

• Store at 25°C (77°F) with 30-50% charge.
• Avoid humidity levels above 90%.
• Recharge before long-term storage (over 3 months).

​Warranty & Disclaimer​

• Warranty period: 24 months from date of purchase.
• Damages caused by misuse, improper storage, or unAUTHORIZED modifications are not covered.
• LiFePO4 battery technology may vary by manufacturer; performance is subject to testing conditions.

Our Mission:  Original Innovation, Power the Future!

As a high-tech enterprise specializing in the R&D and manufacturing of lithium-ion batteries, sodium-ion batteries, and solid-state batteries. Founded in 2020 in Shenzhen, China’s innovation hub, we are driven by our core philosophy of "Original Innovation & Development" , delivering sustainable, high-performance energy solutions for global applications, including consumer electronics, smart devices, electric vehicles, and energy storage systems.

With dozens of proprietary patents, the accreditation of Guangdong Provincial Eco-Friendly Lithium Battery Engineering Research Center, and strategic collaborations with leading institutions like National University of Singapore, Wuhan University, and Shenzhen University, OiD continuously pushes the boundaries of battery technology. Our products power critical infrastructure, including high-speed rail energy storage, residential solar systems, and defense projects, accelerating the global transition to clean energy.

Key Strengths

1.  Original Innovation
   • Core technologies in Li/Na-ion and solid-state batteries, backed by inventions, utility models, and design patents.
   • Joint R&D centers with top universities (e.g., Wuhan University), enabling rapid commercialization of cutting-edge research.
2.  End-to-End Energy Solutions
   • 500+ customizable battery models for consumer electronics, EVs, and grid-scale storage.
   • Superior performance: high energy density, fast charging, extended cycle life, and extreme-temperature resilience
3. Sustainability Commitment
   • Eco-conscious materials (e.g., cobalt-free cathodes, solid electrolytes) and processes to minimize environmental impact.
4. Global Reach
   • R&D Hubs: Shenzhen, Wuhan (university partnerships)
   • Manufacturing: Automated production lines in Shenzhen
   • Markets: Asia, Europe, North America