Jinwo Li-ion Battery 3.7V 3100mAh 11.47wh Customized Battery Pakc 2p-3.1 for Portable Device Medical Replacement Battery
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Product Highlights
- Medical Grade Certification: Passed CB/IEC62133/UN38.3/CE/FCC/DGMMSDS Marine certifications for medical field safety.
- OEM/ODM Customization: Supports full customization from samples, designs, and flexible minor adjustments.
- ISO 9001 Certified Factory: Established in 2015 with strict quality management and 100% finished product inspection.
- High Capacity Design: 3.7V 3100mAh Li-ion battery pack with 11.47Wh energy for portable devices.
- Premium Cell Partners: Long-term cooperation with Panasonic, Sanyo, LG, Samsung, and TL imported batteries.
- Low MOQ Availability: Minimum Order Quantity is just 1 Pc, suitable for testing and small batches.
- Experienced R&D Team: Over 20 years of battery design experience with specialized power management engineers.
- Fast Lead Time: Average lead time within 15 workdays for both peak and off-season periods.
Product Attributes
- Customization
- Available
- Type
- Li-ion Battery
- Rechargeable
- Yes
- Model NO.
- JW-2P-3.1
- Size
- Small
- Voltage
- 3.7V
- Rated Capacity
- 3100mAh
- Warranty
- 1year
- Application
- Portable Device
- Transport Package
- Carton
- Specification
- Lithium-Ion Battery Pack
- Trademark
- OEM
- Origin
- China
- HS Code
- 8507600090
- Production Capacity
- 5000 PCS Per Month
Product Images of Jinwo Li-ion Battery 3.7V 3100mAh 11.47wh Customized Battery Pakc 2p-3.1 for Portable Device Medical Replacement Battery
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Product Description
Li-Ion battery 3.7v 3100mAh 11.47Wh customized battery pakc 2P-3.1 for portable device


Zhuhai Jinwo Electronic Technology CO., Ltd. is a national high-tech enterprise specializing in the design and production medical rechargeable lithium batteries. The company is located in Zhuhai Jinwan liangang industrial zone, established in 2015, the existing plant area of 3000 square meters.
The company has long-term and extensive cooperation with Panasonic, Sanyo, LG, Samsung, Tl and other imported batteries and IC. The Battery Pack has passed CB/ICE62133/UN38.3/CE/FCC/DGMMSDS, Marine and other related battery exclusive certification,to ensure high quality lithium battery manufacturers in the medical field. The company has a number of inventions, utility model patents.
JINWO ELECTRONICS HASPOWER TECHNOLOGY CENTER, Manufacturing Department, Engineering Department, Quality Department,Purchasing Department, Marketing Department, Personnel Department,Finance Department. The company has strict management, clear responsibilities and passedTS09001 quality management system certification. At present, there are four battery assembly lines with daily production capacity of 10k - 12X (battery pack). The company has advanced battery assembly and testing equipment, experimental equipment (such as battery product aging cabinet, Battery Capacity Testing Cabinet, Internal Resistance Tester,panel tester, Miyachi imported spot welding machine and Ultrasonic welding equipment). Finished battery testing equipment and fully automatic equipments.
The company has experienced production and quality management personnel, accumulated more than 20 years of Battery Design, assembly production experience; more than 10 engaged in battery, battery management, power management, product structure design professional and technical personnel. The company has established a strict quality management system, can quickly provide customers with high-quality products. For the intelligent charging power supply, whether the battery capacity display, charging control and power management design, can provide customers with a complete solution.
At present, the products are mainly used in aviation, medical, communications, energy storage, GPS and hand-held terminal industry. The aim of the company is: to create a safe, high-quality, efficient. Environmentally friendly lithium battery, dedicated service at home and abroad customers.



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We are ISO certified factory!
Medical batteries 12years experience .
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR241432". Items marked "" are certified.
Company Profile
Jinwo Electronic Technology is one of the leading professional lithium battery manufacturers in China, As a professional power battery expert, we not only provide customers high quality batteries, but also our senior engineers provide you Correct power solution and design for applications according to your products. "
Our company has long-term and extensive cooperation with Panasonic, SANYO LG Samsung, and other imported batteries, The battery packs have been certified in accordance with IEC62133 \ UN38.3 \ CE \ FCC \ DGM \ MSDS, shipping and other related batteries to ensure lithium A premium manufacturer of batteries in the medical field. The company has a number of patents for invention, softening and utility models.
Jinwo has a power technology center, manufacturing department, engineering department, quality department, Purchase Department, Marketing Department, Personnel Department, Finance Department. The company has strict management, clear responsibilities and passed ISO9001 quality management system certification. Currently, it has four battery assembly production lines, more than 100 employees, and a daily production capacity of 40K ~ 50K (battery packs). The company has advanced battery assembly and inspection testing equipment and experimental equipment (such as battery component aging cabinets, battery capacity testing cabinets, internal resistance testers, protection board testers, MIYACHI imported spot welding machines and ultrasonic welding equipment, etc. ). The battery cell, protection board, finished battery testing equipment and fully automatic laboratory are complete.
Jinwo has experienced production and quality management talents, and has accumulated more than 20 years of battery design, assembly and production experience; It has many professional and technical personnel engaged in batteries, battery management, power management, and product structure design. The company has established a strict quality management system, which can quickly provide customers with high-quality products. For intelligent charging power supply, whether it is battery power display, charge control and power management design, it can provide a complete solution to satisfy customers.
The company's purpose is: To strive to build safety, quality and efficiency. Lithium batteries in the field of environmental protection and medical care serve customers at home and abroad.
Jinwo posses strong R&D team with preciseness, concentrating on electrochemistry, cell structure and electronic control. Jinwo believes in the development concept of 'Technological innovation shapes the future', as well as the quality policy of 'Keep striving for excellence, Keep quality coming first'. We devote ourselves to making high quality, efficiency and safe lithium battery.
Our products have been widely used for medical instrument, LEV, mobilephone, tablet PC, bluethooth, photographic equipment, mobile power supply, electronic toys, motorcycles and so much like that. Our products have also obtained UN38.3, CE and UL certificate. We have also received the recognition of our customers for high-quality products and good customer services. Besides, various size can be customized.
We are looking forward to co-operating with you to create a brilliant future with our sincere service, highly responsible professionalism and good reputation.
Wish our products will be helpful for your business.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Floor 4, Bldg. 2, No. 35, Yongan 3rd Road, Hongqi Town, Zhuhai, Guangdong, China
-
Plant Area
- 1000 square meters
-
Number of Employees
- 37
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- T/T, LC
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Zhuhai Port, Guangzhou Port, Shenzhen Port
-
Minimum Order Quantity
- 1 Pc
-
Supply Chain Partners
- 60
Our Production Capability & Technical Expertise
-
Main Products
- Lithium Battery
-
Production Lines
- 6
-
Production Machines
- Assembly Line
-
QA/QC inspectors
- 3 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Minor Customization, Flexible customization, Full Customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2015-06-25
-
Export Year
- 9 years
-
Main Markets
- Domestic
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 4
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- What certifications does the battery have?
- The battery pack has passed CB, IEC62133, UN38.3, CE, FCC, DGMMSDS, and Marine certifications to ensure high quality for the medical field.
- Can I customize the battery specifications?
- Yes, we offer full customization from samples, designs, minor customization, and flexible customization options.
- What is the minimum order quantity?
- The Minimum Order Quantity (MOQ) is 1 Pc, allowing for small batch orders and samples.
- What is the production lead time?
- The average lead time is within 15 workdays, regardless of whether it is peak season or off-season.
- Is OEM or ODM service available?
- Yes, both OEM and ODM services are available. We support customization from samples and designs.
- What are the payment terms?
- We accept T/T (Telegraphic Transfer) and LC (Letter of Credit) as terms of payment.
- What is the warranty period for the battery?
- The standard warranty period for the battery is 1 year.
- What is the battery capacity and voltage?
- The battery is a Li-ion type with 3.7V voltage, 3100mAh rated capacity, and 11.47Wh energy.
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