7.4V 550mAh Lithium Polymer Battery with 300+ Cycles

Product Name

OiD702530C-2S-550 Lithium Polymer Battery

Advantages

• High energy density
• Long cycle life
• Lightweight and compact design
• Safe and reliable performance

Specifications

Cycle Life

Discharge Curve

Operating Temperature Range

Certifications

• RoHS compliant
• UL1642 certified
• IEC/EN61960 compliant
• GB/T 18287-2013 compliant

Key Features

• Overcharge, over-discharge, and short-circuit protection
• High discharge rate capability
• Low self-discharge rate
• Environmentally friendly

Applications

• Portable medical devices
• Handheld consumer electronics
• Wireless communication devices
• IoT devices
• Wearable technology

Usage Warnings & Precautions

• Use only with specified chargers
• Avoid short-circuiting the battery
• Do not expose to high temperatures or fire
• Keep away from moisture
• Do not disassemble or modify the battery

Storage Guidelines

• Store at 20±5℃ for optimal performance
• Charge to 60% capacity if storing for more than 3 months
• Avoid storing in high humidity environments

Warranty & Disclaimer

• 12-month warranty from the date of shipment
• Warranty does not cover misuse, improper handling, or unauthorized modifications
• The manufacturer is not liable for any damages caused by improper use

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