What is the warranty period?

We provide a 1-year warranty for this lithium polymer battery.

What are the charging and discharging specifications?

Max charge/discharge current is 1C. Charge to 4.2V, discharge cut-off is 3.0V.

3.7V Small Lithium Polymer Battery 502025 180mAh Li Ion Battery Cell for Bluetooth Headset

Name: 3.7V Small Lithium Polymer Battery 502025 180mAh Li Ion Battery Cell for Bluetooth Headset
Brand: Naccon Power Technology Co., Ltd.
SKU: 884423525

Guangdong, ChinaNaccon Power Technology Co., Ltd.

US$3.00

1,000-3,999 Pieces

US$1.00

4,000+ Pieces

Sample price:US$3.00/piece.Request sample

Product profile

Customization

Available

Charging Type

Rechargeable

Nominal Voltage

3.7V

Model NO.

502025

Battery Type

Li-Polymer

Recycling

Recyclable

Size

502025

Certification

CE, CB, RoHS

Packaging

Simple

Transport Package

Industrial Packing

Specification

5*20*25mm

Trademark

naccon

Origin

China

Production Capacity

1000000000000 Piece/Pieces Per Week

Key features

Ultra Thin Design: Compact 502025 size (5*20*25mm) ideal for slim electronic devices.

High Cycle Life: Supports 500-1000 charge cycles for long-term durability.

OEM/ODM Service: Full customization available from samples, designs, or minor adjustments.

Fast Lead Time: Quick production turnaround of 7-15 days for standard orders.

Multiple Certifications: Compliant with CE, CB, RoHS, ISO9001, MSDS, and SGS standards.

Safe Performance: Stable 3.7V output with strict quality control and 100% inspection.

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.