21700 Lithium Ion Battery 4500mAh 3.6V NCM Rechargeable 3C Discharge

INR21700N45YD 3.6V 4500mAh 3C Discharge 500 Cycles

Product Name

INR21700N45YD Li-Ion Battery

Advantages

• High energy density (238Wh/kg)
• Long cycle life with stable performance
• Reliable safety features for diverse applications

Specifications

Cycle Life

Discharge Curve

• 0.2C: 100% capacity
• 1C: ≥93% capacity
• 2C: ≥90% capacity
• 3C: ≥90% capacity
• 

Operating Temperature Range

Certifications

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

Key Features

• Pink purple sleeve color for easy identification.
• Low self-discharge rate (≤85% residual capacity after 28 days at 25°C).
• Robust safety performance: withstands overcharge, short-circuit, and drop tests.

Applications

• Power tools
• Electric vehicles (EVs)
• Energy storage systems
• Portable medical devices

Usage Warnings & Precautions

• Do NOT reverse charge/discharge or expose to temperatures >70°C.
• Use only with compatible protection circuits to prevent overcharge/over-discharge.
• Avoid mechanical damage (e.g., piercing, crushing).

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.

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