What is your payment term?

30% deposit in advance, and balance paid before delivery arranged.

How do you control the quality?

We have established a comprehensive quality control system (including IQC, IPQC, and OQC) that spans incoming materials, manufacturing processes, and finished products.

Rechargeable 3.7V 5000mAh 21700 Lithium Ion Battery Cell for Smart Wearables

Name: Rechargeable 3.7V 5000mAh 21700 Lithium Ion Battery Cell for Smart Wearables
Brand: Dongguan APTPES Co., Ltd.
SKU: 2251046775

Guangdong, ChinaDongguan APTPES Co., Ltd.

US$2.00

100 Pieces

Product specifications

Lithium Cell

Sample price:US$300.00/piece.Request sample

Product profile

Customization

Available

Type

Li-ion Battery

Cathode Material

LCO

Model NO.

Lithium Cell

Rechargeable

Yes

Size

Medium

Transport Package

Battery Case

Specification

Customized

Trademark

OEM

Origin

China

Key features

High Production Capacity: Monthly output exceeds 3.5 million batteries with 200 advanced machines.

Comprehensive Certifications: CE, UL, KC, CB, IEC, UN38.3, and MSDS certified for global export.

OEM and ODM Services: Full customization, minor customization, and flexible options available.

Two-Year Warranty: Covers all mechanical defects for a period of two years.

Experienced R&D Team: Over 20 years of experience in electrochemical field and battery materials.

Strict Quality Control: Comprehensive system including IQC, IPQC, and OQC for every battery.

Wide Application Range: Suitable for smart wearables, consumer electronics, healthcare, and toys.

Flexible MOQ: Standard MOQ is 5000 pcs, but negotiable based on requirements.

Company profile

Product CertificationStandardized quality controlOEM ServicesR&D Capabilities

Dongguan APTPES 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.Average Response Time: ≤1.15h CertifiedTerms of Payment: T/T, LC, PayPal, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, EXW, CIF, CFR

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad product development and customization capabilities, including 3D design, ODM, OEM for popular brands, and multiple customization modes. Its R&D organization includes specialized engineers, documented design controls, and evidence of new product development. Quality and service processes are documented and followed for complaints, corrective actions, supplier assessment, and finished-product inspection. Manufacturing support includes valid contracts with associated subcontractors and inventory capability, while export experience is stated as eight years with 51%–70% of sales from exports. Overseas service infrastructure is limited: the supplier has no overseas warehouse, showroom, agents, or branches, and reports zero countries served through such capabilities. Financial credibility cannot be assessed from the provided information.

Supplier typeThe supplier provides comprehensive energy solutions spanning project initiation, development, testing, production, and after-sales service. It also offers ODM services, OEM services for popular brands, inventory capability, and contracted manufacturing support, indicating a manufacturer with integrated development and production-related services.

After-Sales capabilityThe supplier has a documented and followed customer-complaint procedure, and its technology engineers provide technical support for production and after-sales service. The company description also explicitly includes after-sales service within its comprehensive solution coverage, supporting an established after-sales process.

R&D capabilityThe supplier reports new products during the past year, maintains an R&D team with masters and senior engineers across electronics, power supply, structure, technology, and electrochemistry, and retains auditable design input, output, review, verification, and validation documents. It also emphasizes technological innovation and applies technology from chip and cell-manufacturing partners to product R&D; however, no SDK is available.

Production capacityProduction-related controls include quality assurance, documented finished-product inspection instructions that are uniformly followed, valid manufacturing contracts with associated subcontractors, inventory capability, and stated average lead times of within 15 working days off-season and one month during peak season. These records support production and quality-control capability, although the stated quantity capability for own-brand products is only “1” and is not sufficiently defined for a capacity comparison.

Customization capabilityThe supplier offers customization from samples and designs, full, minor, and flexible customization, as well as 3D software design, ODM, and R&D-supported technical services. Engineers confirm customer requirements and support new product development, providing explicit evidence of broad customization capability.

Client casesThe supplier states that it maintains long-term, stable cooperation with world-renowned chip companies and cell manufacturing enterprises and provides OEM services for popular brands. It also reports participation in the GIFT & HOME Exhibition, but no specific customer names, project details, or independently verifiable case outcomes are provided.

Product Q&A

Q:Are you a trading company or factory?

We're ISO manufacturer with 12000m2 workshop and monthly capacity of 3.5 million lithium battery cells.

Q:Do you have any certifications?

Yes. We have certifications like CE, UL, KC, CB, IEC, UN38.3, MSDS etc. Available for export.

Q:Do you provide OEM and ODM services?

Yes OEM and ODM are both available.

Q:How can I get a sample?

You can place a sample order so that we can proceed it until you get it.

Q:What is the lead time?

With item in stock, we can arrange delivery right away. If we don't have stock, we will estimate the lead time according to your specs, quantity and other requirements. In a word, we will do our best to ensure delivery in time for you.