ISR21700S42 3.6V 4.2Ah 5C Discharge 10000 Cycles 21700 Solid State Battery

Product Name

21700 Solid State Cylindrical Cell (Model: ISR21700S42)

Advantages

• High Energy Density (3.6V Platform)
• Standard 21700 Form Factor (21mm × 70mm)
• Optimized for High-Drain Applications

Specifications

Cycle Life

Operating Temperature Range

Certifications

Compliant with solid state battery standards (IEC 62133-2, UN38.3)

Key Features

• Advanced solid state electrolyte technology
• Stable voltage output under high-current discharge
• Low internal resistance (<25mΩ)

Applications

• High-performance power tools
• Electric vehicle auxiliary systems
• Professional photography equipment
• Portable medical devices

Usage Warnings

• Charge voltage must not exceed 4.2V
• Do not discharge below 2.5V
• Requires protection circuit for currents above 5C

Storage Guidelines

• Ideal storage charge: 30-50% SOC
• Recommended ambient storage: 10-25°C
• Avoid high-humidity environments

Warranty

12-month manufacturer warranty

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