5.6A 3.75 Volt Rechargeable Battery 18650 2800mAh Li Ion Battery For Notebook Computer

ICR18650A28SS 3.75V 2800mAh 5.6A 500 Cycles Notebook Computer 18650 Li-Ion Battery

Product Name

ICR18650A28SS (18650-28A)

Advantages

• High energy density for extended notebook computer runtime
• Stable voltage output for consistent performance
• Certified safe for notebook computer 18650 Li-Ion Battery applications

Specifications

Cycle Life

Discharge Curve

Operating Temperature Range

Certifications

• PSE
• UN38.3
• KC
• IEC/CE
• RoHS

Key Features

• Notebook-Optimized: 2800mAh capacity ideal for notebook computer 18650 Li-Ion Battery packs
• High Efficiency: Low internal resistance maximizes energy transfer
• Extended Lifespan: 500+ charge cycles with proper maintenance

Applications

• Notebook computer battery packs
• High-capacity power banks
• Medical and industrial equipment

Usage Warnings & Precautions

• Do not charge above 4.35V
• Avoid complete discharge below 2.75V
• Use only with approved charging systems

Storage Guidelines

• Store at 30-50% charge in dry conditions
• Ideal storage temperature: 10-25°C
• Recharge every 3 months during storage

Warranty & Disclaimer

• 12-month limited warranty
• Not responsible for improper use or modified applications

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