IFR26650-33B-W Lithium Iron Phosphate Rechargeable Cell

The IFR26650-33B is a high-reliability LiFePO4 cylindrical cell engineered for demanding applications requiring strong low-temperature performance and a wide operational temperature range. It provides stable output, high discharge capability, and long cycle life, making it ideal for systems requiring a dependable Low Temperature Battery or Wide Temperature Battery solution.

Advantages

• Excellent low-temperature performance with reliable operation even at -20°C.

• Long service life with more than 2000 deep cycles.

• High discharge rate capability suitable for power-intensive devices.

• Naturally safe LiFePO4 chemistry with strong thermal and structural stability.

• Wide temperature adaptability for diverse environmental conditions.

Specifications

Cell Specifications Table

Operating Temperature Range

Temperature Table

Cycle Life

Cycle Life Table

Discharge Curve

A graphical curve illustrating voltage vs. capacity at 0.2C, 1C, and 3C, including performance at 0°C, -10°C, and -20°C, should be inserted here. This supports users evaluating real-world performance for Low Temperature Lithium Battery applications.

Certifications

All safety and performance tests comply with GB/T 31241-2022.

Key Features

• Cylindrical steel casing for structural durability.

• Stable LiFePO4 chemistry optimized for high-drain systems.

• Suitable for demanding Low Temperature Battery and Wide Temperature Battery applications requiring long-term reliability.

Applications

• Electric Vehicles (EVs)

• Power Tools

• Portable Medical Devices

• Uninterruptible Power Systems (UPS)

• Consumer Electronics

Usage Warnings & Precautions

• Do not immerse the cell in water or liquids.

• Avoid heat sources and direct sunlight.

• Charge only with a designated Li-ion charger.

• Prevent short circuits.

• Do not crush, disassemble, or incinerate.

Storage Guidelines

• For 30–90 days: store at ~50% SOC.

• For >90 days: maintain ~50% SOC and perform one full charge/discharge every 90 days.

Warranty & Disclaimer

Standard warranty is one year from shipment or as contractually agreed. Warranty applies only when the product is used with a functional BMS and operated within all specified 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