What is your warranty policy?

We provide a two-year warranty for our products.

How do you control product quality?

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

What is the minimum order quantity (MOQ)?

The MOQ is 5000 pcs, but it is negotiable depending on the specific requirements.

High Capacity 20ah 3.7V 21700 Li-ion Battery Pack with BMS for Us

Name: High Capacity 20ah 3.7V 21700 Li-ion Battery Pack with BMS for Us
Brand: Dongguan APTPES Co., Ltd.
SKU: 1982494381

Guangdong, ChinaDongguan APTPES Co., Ltd.

US$14.00-16.00

5,000 Pieces

Product specifications

21700-3.7v 20Ah

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Type

Li-ion Battery

Cathode Material

NCM

Model NO.

21700-3.7v 20Ah

Rechargeable

Yes

Size

Medium

Application

Battery Pack with BMS for Us

Connector

Jst/Molex/Other Available

Safety Certification

MSDS/Un38.3

Charge Voltage

4.2V

Nominal Voltage

3.7V

Battery Weight

510g

Cycle Life

500 Times

Warranty

2 Years

Product Dimensions

46*46*74mm

Certification

CE, UL, Kc, CB

Protection

Overcharge/Over-Discharge

Capacity

2000mAh

Brand

Aptpes or OEM

Configuration

1s4p

Feature

Long Endurance

Transport Package

Battery Case

Specification

Customized

Trademark

APTPES

Origin

China

HS Code

8507600090

Production Capacity

10000PCS/Day

Key features

Customizable Connector: Supports JST, Molex, and other available connector types for flexible integration.

OEM/ODM Service: Full OEM and ODM services available for custom battery pack solutions.

Multiple Certifications: Compliant with CE, UL, KC, CB, IEC, UN38.3, and MSDS standards for global export.

High Production Capacity: Monthly capacity exceeds 3.5 million cells with 200 advanced machines for stable delivery.

2-Year Warranty: Provides a comprehensive two-year warranty for product reliability and peace of mind.

Advanced BMS Protection: Integrated BMS ensures safety with overcharge and over-discharge protection features.

Long Cycle Life: Designed for durability with a cycle life of up to 500 times for extended usage.

Flexible MOQ: Low MOQ of 5000 pcs or negotiable terms to accommodate various order sizes.

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: ≤0.24h 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 are an ISO manufacturer with a 12,000m2 workshop and a monthly capacity of 3.5 million lithium battery cells.

Q:Do you provide OEM and ODM services?

Yes, both OEM and ODM services are available to meet your specific customization needs.

Q:What certifications do your products have?

We have certifications like CE, UL, KC, CB, IEC, UN38.3, and MSDS, which are available for export.

Q:What is the lead time for orders?

If items are in stock, we can arrange delivery right away. Otherwise, we estimate the lead time based on your specs, quantity, and other requirements to ensure timely delivery.

Q:What are your payment terms?

We require a 30% deposit in advance, with the balance paid before delivery is arranged.