3.6V 5500mAh 21700 Li-Ion Battery -40°C to 60°C 600 Cycles

INR21700L55JH 3.6V 5500mAh 2C Discharge 600 Cycles

Product Name

INR21700L55JH Li-Ion Battery

Advantages

• High energy density (275Wh/kg)
• Long cycle life
• Reliable performance in extreme temperatures
• Robust safety features

Specifications

Cycle Life

Discharge Curve

Operating Temperature Range

Certifications

Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.

Key Features

• Low-Temperature Performance: Maintains ≥60% capacity at -40°C (0.2C discharge).
• Safety: Passes overcharge, short-circuit, drop, and thermal abuse tests.
• High Discharge Rate: Supports up to 2C continuous discharge at room temperature.

Applications

• Power tools
• Electric vehicles (EVs)
• Energy storage systems
• Medical devices
• Industrial equipment

Usage Warnings & Precautions

• Do NOT reverse charge, overcharge (>4.25V), or overdischarge (<2.5V).
• Avoid exposure to high temperatures (>70°C), fire, or water.
• Use only with compatible protection circuits to prevent short circuits.
• Replace damaged or leaking cells immediately.

Storage Guidelines

• Store at 10–35% SOC in dry conditions (0–50% RH).
• Recharge to 10–35% SOC every 12 months for long-term storage.
• Keep away from metal objects to prevent short circuits.

Warranty & Disclaimer

• 1-year warranty for manufacturing defects (excludes misuse or improper assembly).
• Not liable for damages caused by unauthorized modifications or non-compliant usage.

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