21700 5000mAh 15A Lithium Ion Battery with 800 Cycles

INR21700N50JH3 3.6V 5000mAh 15A 800 Cycles Energy Storage 21700 Li-Ion Battery

Product Name

INR21700N50JH3 Li-Ion Rechargeable Battery

Advantages

• High energy density (253Wh/kg)
• Long cycle life with stable performance
• Superior discharge efficiency across various rates
• Robust safety features including overcharge and short-circuit protection

Specifications

Cycle Life

Discharge Curve

• Discharge Efficiency:
  • 0.2C: 100%
  • 0.5C: ≥95%
  • 1C: ≥93%
  • 2C: ≥90%

Operating Temperature Range

Certifications

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

Key Features

• High Discharge Rate: Supports up to 3C (15A) pulse discharge.
• Wide Temperature Range: Reliable performance in extreme conditions.
• Safety Compliance: Passes stringent tests including drop, heating, and seawater immersion.
• Low Self-Discharge: ≤10% capacity loss after 28 days at 25°C.

Applications

• Energy storage systems
• Electric vehicles (EVs) and e-mobility
• Power tools and industrial equipment
• Backup power solutions

Usage Warnings & Precautions

• Do NOT reverse-charge, over-discharge (<2.5V), or expose to temperatures >70°C.
• Use only with compatible protection circuits to prevent overcurrent/short-circuit.
• Avoid mechanical damage (piercing, crushing).

Storage Guidelines

• Short-term (≤3 months): Store at -20°C–40°C, 10%–35% SOC.
• Long-term (>3 months): Recharge to 10%–35% SOC every 12 months.

Warranty & Disclaimer

• 1-year warranty for manufacturing defects (excludes misuse or improper assembly).
• Not liable for damages from 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