Do you offer OEM and ODM services?

Yes, OEM and ODM services are available. Customization options can be provided based on samples.

What certifications do your products have?

Our products hold CE and RoHS certifications and comply with national guaranteeing safety and reliability standards.

What is the minimum order quantity?

The minimum order quantity is 1 unit.

21V 4.0ah Replacement Battery Pack for Dewalt Power Tools

Name: 21V 4.0ah Replacement Battery Pack for Dewalt Power Tools
Brand: Nantong Jiasida Electric Tools Co., Ltd.
SKU: 2275091845

Jiangsu, ChinaNantong Jiasida Electric Tools Co., Ltd.

US$25.88

400-3,999 Pieces

US$25.28

4,000+ Pieces

Product specifications

battery

Sample price:US$6.00/piece.Request sample

Product profile

Customization

Available

Type

Lithium-Ion Battery Pack

Connection Mode

Series and Parallel

Model NO.

TP09

Rechargeable

Chargeable

Discharge Rate

High Discharge Rate

Size

11.5*8.1 *7.7

Accessories Type

Battery

Rated Capacity

4.0ah

Standard Voltage

21V

Usage

Electric Tool

Electrolyte

Li-ion

Transport Package

Carton

Trademark

Nantong Jiasida Electric Tools

Origin

China

Key features

High Performance Brushless Motor: Reduces energy consumption by 15%-20% and extends service life by over 30%.

Triple Protection Control System: PCB boards with potting sealing enhance resistance to moisture, dust, and corrosion.

Precision Machining Components: Key parts use CNC machining and die-casting for structural strength and accuracy.

100% Finished Product Inspection: Includes visual and functional inspection with uniform instructions for all units.

OEM and ODM Services Available: Customization options available from samples with 3 R&D engineers.

CE and RoHS Certified: Products comply with national safety standards and international certifications.

Flexible Logistics Solutions: Supports major express, dedicated lines, sea, air, and express delivery globally.

Competitive Lead Time: Off-season delivery within 15 workdays; peak season within one month.

Company profile

Fast DeliveryR&D CapabilitiesProduct CertificationEnvironmental Protection

Nantong Jiasida Electric Tools Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 7 Years CertifiedNearest Port: SHenzhen PortAverage Response Time: ≤6.50h

AI-Powered supplier vetting

SummaryNantong Jiashida Power Tools Ltd. sells electric tools and related products, supports imports and exports, and provides OEM services for well-known brands. It has CE and RoHS product certification and SA8000 social responsibility certification, but no supplier-management-system certification is recorded. Its documented service procedures, complaint-handling process, and corrective-action mechanism are strengths. The supplier has three R&D engineers, one production line, 31–40 quality-control staff, and sample-based customization. Export sales account for 71%–90% of total sales, with seven years of export experience, but overseas service infrastructure is absent. Financial-capacity and cash-flow records are identified for 2022–2024, although the provided information does not establish financial strength. No Fortune 500 cooperation, overseas agents, overseas warehouse, overseas showroom, or offline trade-show participation is reported.

Supplier typeThe supplier is a manufacturer and exporter of electric tools, lighting, hardware, electronics, electromechanical equipment, and household appliances. It operates one production line, undertakes import/export activities, and offers OEM services for well-known brands.

CertificationsThe supplier reports CE and RoHS product certifications and SA8000 social responsibility certification. However, supplier-management-system certification is listed as NIL, so certification coverage is positive for products and social responsibility but incomplete for management systems.

After-Sales capabilityThe supplier has written and followed procedures for service assessment, corrective and preventive actions, and customer complaints. It has no overseas warehouses, showrooms, agents, or branches, and reports zero countries with overseas services, limiting local after-sales coverage.

Production capacityThe supplier operates one production line and has 31–40 quality-control staff, with documented instructions for finished-product inspection. It does not continuously reconcile quantities for each batch or mass-production run, indicating a stated manufacturing-control weakness.

Customization capabilityThe supplier explicitly provides OEM services for well-known brands and supports customization from samples. These capabilities directly support customer-specific product adaptation.

Client casesThe supplier reports OEM cooperation with well-known brands and a repeat-buyer preference rate of 50%–80%. It reports no cooperation with Fortune 500 companies, so customer references exist but are not strongly substantiated by named or top-tier cases.

Product Q&A

Q:What types of power tools does Nantong Jiasida mainly produce?

Nantong Jiasida Power Tools Co., Ltd. is a professional manufacturer of pruning shears, chainsaws, electric screwdrivers, screwdrivers, electric wrenches, electric hair dryers, and other products. We have a complete and scientific quality management system.

Q:What are the technological advantages of your power tools?

Our products are equipped with high-performance brushless motor technology, which reduces energy consumption by 15%-20% and extends service life by more than 30% compared to traditional brushed motors. Key components are manufactured using CNC precision machining and die-casting processes to ensure stable performance.

Q:What logistics and delivery methods does your company support?

Domestic orders can be delivered via major express delivery companies such as SF Express, JD Logistics, and STO Express, YTO Express, ZTO Express, and Yunda Express, or dedicated logistics lines. The optimal solution will be selected based on the order size and the customer's location. For international orders, we cooperate with logistics companies such as DHL, FedEx, UPS, and COSCO Shipping, covering major countries and regions worldwide, and can provide sea freight, air freight, or express del

Q:Who bears the logistics costs? How are shipping costs calculated?

Order shipping costs are charged according to the actual weight, volume, and delivery region of the goods. For international orders, shipping costs are borne by the customer by default. We will provide a transparent shipping quote based on the order quantity, destination country, and selected logistics method. Shipment will be arranged after customer confirmation.

Q:What are the lead times for orders?

The average lead time is within 15 workdays during the off-season and one month during the peak season.