Lithium Polymer Battery 7.4V 4250mAh Rechargeable Battery for Smart Device Digital Products

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Product Description

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Basic Information
Model NO.
7.4V 4250mAh-114*68*12mm
Rechargeable
Yes
Nominal Voltage
7.4V
Cycle Life
500 Times
Warranty
1 Year
Certification
CE Kc UL
Application
Medical Devices / Smart Products
Capacity
4250mAh
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Product Description
Battery Detail 1 Battery Detail 2

Protection Features:

Overcharge protection, Thermal cut-off, Explosion-proof valve, Over-discharge protection, Temperature control, Short-circuit protection.

Technical Specs:

Chemical Type: Lithium Cobalt Oxide / Ternary
Charging Temp: 0–50°C
Discharging Temp: -10–60°C
Product Certification: MSDS

Specifications 18650 Pack (Example A) 18650 Pack (Example B)
Nominal Voltage3.7V3.7V
Nominal Capacity5200mAh8000mAh
Cycle Life800-1000 cycles300-500 cycles
Configuration2P1S4P
Weight130g198-200g
Production Image 1 Production Image 2
Part Number 18650 Custom 402030 Custom
Standard Voltage11.1V3.7V
Rated Capacity2000mAh200mAh
Battery TypeCylindrical PackLithium Polymer
Dimensions21*70*56mm4*20*30mm
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Professional Manufacturer Profile
Factory Overview

We are a high-tech enterprise specializing in the R&D, production, and sales of high-energy lithium-ion batteries and modules. Founded in 2013, our facility boasts a modern industrial park of 18,500 square meters, committed to providing global customers with safe, reliable, and environmentally friendly battery products.

Production Scale: Equipped with 200 advanced machines, our monthly production capacity exceeds 3.5 million batteries.

R&D Excellence: Our core R&D team possesses over 20 years of experience in the electrochemical field, specializing in customized battery solutions.

Manufacturing Process
Product Applications

Our batteries are widely used in a variety of industries and smart devices, including:

• Portable projectors
• Electric scooters
• Smart vacuum cleaners
• Drones & Gaming consoles
• Medical devices
• Wearable electronics
• Power banks
• Outdoor speakers
Application Scenarios
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Advantages & Certificates
Advantage 1 Advantage 2 Certificates
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Packaging & Logistics
Packing Info
Global Presence
Group Photo
Frequently Asked Questions
Are you a trading company or a factory?
We are an ISO-certified manufacturer with an 18,500m² workshop and a monthly capacity of 3.5 million lithium battery cells.
What certifications do you have for international markets?
We possess comprehensive certifications including CE, UL, KC, CB, IEC, UN38.3, and MSDS, making our products fully available for global export.
Do you support customized orders (OEM/ODM)?
Yes, both OEM and ODM services are available. We can customize battery specifications, dimensions, and connectors based on your project requirements.
What is the typical lead time for orders?
For items in stock, we arrange delivery immediately. For custom or bulk orders, lead time is estimated based on specifications and quantity, but we always strive for timely delivery.
What is your warranty policy?
We offer a one to two-year warranty depending on the specific model and application, ensuring long-term reliability for our partners.
How do you ensure product quality?
We have a comprehensive quality control system including IQC, IPQC, and OQC, covering every stage from incoming raw materials to the final finished product.

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