7.4V 4200mAh Lithium Polymer Battery 2C Discharge 500 Cycles

OiD8237110S2-4200 7.4V 4200mAh Lithium Polymer Battery 2C Discharge 500 Cycles

Product Name:

OiD8237110S2-4200 Lithium Polymer Battery

Advantages:

• High energy density for extended usage
• Long cycle life with reliable performance
• Safe and stable operation under various conditions
• Lightweight and compact design

Specifications:

Cycle Life:

Discharge Curve:

Operating Temperature Range:

Certifications:

• Complies with GB/T 18287-2013, IEC/EN61960, and UL1642 standards.

Key Features:

• High capacity and long cycle life
• Built-in protection circuit for overcharge, over-discharge, and short-circuit protection
• Low self-discharge rate
• RoHS compliant

Applications:

• Portable electronics
• Medical devices
• Power tools
• IoT devices
• Consumer electronics

Usage Warnings & Precautions:

• Do not short-circuit the battery terminals.
• Avoid exposing the battery to high temperatures or direct sunlight.
• Use only the specified charger for charging.
• Do not disassemble or modify the battery.
• In case of leakage, odor, or swelling, stop using the battery immediately and dispose of it properly.

Storage Guidelines:

• Store the battery at 20±5°C for optimal performance.
• If storing for more than 3 months, charge the battery to 60% capacity every 3 months.
• Avoid storing the battery in high humidity or extreme temperatures.

Warranty & Disclaimer:

• 12-month warranty from the date of shipment.
• The warranty does not cover damage caused by improper use, mishandling, or unauthorized modifications.
• For any special requirements or conditions not covered in this specification, please contact us for customized solutions.

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