What services do you provide?

Our policy is to provide more faster & safer & easier service for our customers. We can provide Technical Support. We can accept TT, Western Union, L/C, OA, etc. . We can provide others service etc. .

Do you offer marketing support?

We are willing to help you do the marketing together. We can provide different free products, and we can also support you do some attractive suitable local advertisement.

303040 320mAh 3.7V Li-Polymer Rechargeable Battery

Name: 303040 320mAh 3.7V Li-Polymer Rechargeable Battery
Brand: Naccon Power Technology Co., Ltd.
SKU: 884427975

Guangdong, ChinaNaccon Power Technology Co., Ltd.

US$1.50-5.00

500 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Type

Li-Polymer Battery

Charger Type

Electric Charger

Model NO.

3.7v 303040 320mah

Charger Application

MP3/MP4 Player

Nominal Voltage

3.7V

Charger Style

Solar Charger

Compatible Battery Type

6-Volt

Size

30X30X40mm

Certification

RoHS, TUV, CB, CE

Socket Type

For USA/Canada

Recyclable

Voltage

3.7V

Capacity

320mAh

Conponent

Lithium Polymer

Shelf Time

5 Years

Place of Origin

Guangdong, China (Mainland)

MOQ

5~10000PCS

Delivery Detail

Within 10-15 Days

Payment

T/T, Western Union

Charge Times

500 --1000 Times

Certificate

Ce, UL, RoHS

Transport Package

Industrial Packing,

Specification

CE, RoHS, SGS

Trademark

NACCON

Origin

Shenzhen

HS Code

8507600090

Production Capacity

50.0000PCS

Key features

Multi-Certification Safety: Certified by CE, RoHS, TUV, CB, UL, ISO9001, SGS, MSDS, and MGS for global safety standards.

Long Shelf Life: Features a 5-year shelf life ensuring long-term storage stability and reliability.

Versatile Applications: Suitable for MP3/MP4 players, GPS recorders, walkie-talkies, electric toys, and more.

Flexible Customization: Supports OEM/ODM, logo printing, packaging design, and minor customization options.

Fast Response Service: Inquiry reply within 6 hours and technical problem response within 24 hours.

Quality Warranty: 1-year warranty with free replacement for quality problems, including shipping costs.

Low Leakage Design: Engineered with no leakage technology to ensure safe and durable performance.

Company profile

Years of Export ExperienceSelf-brandedExhibition ExperienceRaw Materials Reports

Naccon Power Technology Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 15 years CertifiedNearest Port: Shenzhen Port, Ningbo PortAverage Response Time: ≤1.65h

AI-Powered supplier vetting

SummaryNACCON is identified as a professional battery manufacturer covering design, R&D, production, sales, and trade, with a broad battery product range and worldwide export markets. It reports recent new-product activity, ODM and extensive customization services, two R&D engineers, and technical support responsibilities extending to after-sales service. Production evidence includes one production line and stated CR2032 output of 750,000,000 pieces, while three quality personnel, two test-equipment units, written warehouse procedures, and documented service and corrective-action processes support operational control. The supplier reports OEM service for well-known brands, but no certification information, customer case details, or SDK availability. It also lacks a valid manufacturing contract with related subcontractors, overseas warehouses, and overseas showrooms. Financial credibility cannot be fully assessed from the provided records.

Supplier typeNACCON is explicitly described as a professional battery manufacturer integrating design, R&D, production, sales, and trade. Its listed products include disposable and rechargeable battery categories, indicating a specialized battery supplier rather than a general trading company.

After-Sales capabilityTwo R&D engineers are responsible for technical support during production and after-sales service, while complaint handling and corrective/preventive actions are supported by clear written procedures and records. These documented processes provide explicit evidence of after-sales support capability.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and has two R&D engineers responsible for technical support and new product development. However, no SDK is available; this limits evidence for software-development capability but does not negate the documented product R&D capability.

Production capacityProduction evidence includes one production line, stated CR2032 output of 750,000,000 pieces, three quality inspectors, two test-equipment units, written warehouse controls, and peak-season lead time of one month. The supplier also reports in-stock capability, although it lacks a valid manufacturing contract with related subcontractors and has no overseas warehouse.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. These capabilities are reported both for R&D design services and general design services, providing strong evidence of broad customization support.

Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of brand-serving experience. However, no brand names, project descriptions, volumes, or verifiable case details are provided, so the depth of its customer-case portfolio cannot be determined.

Product Q&A

Q:What is the inquiry reply time?

We will reply your inquiry as soon as possible within 6 hours (maybe big time difference between us).

Q:What certificates do you have?

We have CE, RoHs, ISO9001 SGS.

Q:What is the warranty period for the batteries?

For the batteries, we have 1 years warranty. If any quality problems on our side occured during this warranty period, we will replace them at our cost (including the shipping cost).

Q:What is the delivery time for formal orders?

We give 7~15 days delivery time for formal battery orders.

Q:What is the minimum order quantity (MOQ)?

We can accept small MOQ at the beginning to help customer enter into market firstly.