18650 3.6V 2900mAh Low Temperature Li-Ion Battery -40℃ to 85℃

Product Name

18650 Cylindrical Lithium-Ion Rechargeable Battery (Model: INR18650L29V10)

Advantages

• Superior low-temperature performance: Operates reliably in extreme environments as low as -40°C, with capacity retention exceeding standard Li-Ion batteries under harsh conditions.
• Optimized for consistent discharge performance in high-demand applications (e.g., power tools, medical devices).

Specifications

Cycle Life

Discharge Curve

Operating Temperature Range

Certifications

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

Key Features

• Balanced energy density: 518Wh/L (volumetric), 183Wh/kg (gravimetric).
• Standard charging: Supports 0.5C (1400mA) with 56mA cutoff.
• Safety mechanisms: Passes short-circuit, overcharge, and vibration tests per UN38.3.

Applications

• Power tools, medical devices, portable electronics.
• Backup power systems, low-temperature industrial equipment.

Usage Warnings & Precautions

• Do not weld on sidewalls or within 2mm of terminals.
• Avoid charging below 0℃ or above 60℃ to prevent capacity degradation.
• Terminate discharge if surface temperature exceeds 90℃.

Storage Guidelines

• Short-term (≤30 days): 3.50–3.60V at -40°C to 80°C.
• Long-term (≥6 months): 30–50% SOC at -20°C to 25°C for 80% capacity recovery.

Warranty & Disclaimer

• 1-year warranty against manufacturing defects.
• Specifications subject to change; verify with the latest datasheet.

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