If there are any missing parts in our shipment, how long will it take to send them?

If there are some small missing components, we will DHL to you ASAP within one week.

How do you extend the lifespan of your laptop battery?

Avoid deep discharges, store at 50% charge in cool place, limit exposure to high temperatures, and remove when plugged in for long time.

High-Performance Battery for DELL Latitude E7440 E7450 Series

Name: High-Performance Battery for DELL Latitude E7440 E7450 Series
Brand: Shenzhen Yanxin Technology Development Co., Ltd
SKU: 2126720912

Guangdong, ChinaShenzhen Yanxin Technology Development Co., Ltd

US$1.00-99.00

10 Pieces

Product specifications

box

Sample price:US$15.00/piece.Request sample

Product profile

Customization

Available

Type

Li-Polymer Battery

Charger Type

Electric Charger

Model NO.

3RNFD

Charger Application

Tablet, Laptop

Charger Style

Quick Charger

Compatible Battery Type

AAA/AA

Size

AAA

Certification

KC, RoHS, CB, CE

Socket Type

For UK

Recyclable

Model

3rnfd

Voltage

7.4V

Capacity

47wh

Transport Package

Standard Export Packing

Specification

Customizable specifications

Trademark

OEM

Origin

China

HS Code

8507600090

Production Capacity

100000PCS/Year

Key features

High Capacity Battery: 47WH Li-polymer battery designed for Dell Latitude E7440 E7450 series.

Multiple Certifications: Certified with KC, RoHS, CB, and CE standards for safety and quality.

Fast Production: Production lead time within 15-20 days in normal season.

Comprehensive Warranty: One-year quality warranty covers all mechanical defects.

Quick Replacement: Missing small components shipped via DHL within one week.

Flexible Payment: T/T payment terms with 30% deposit and balance before shipment.

Complete Documentation: Provides B/L, Commercial Invoice, Packing List, and Certificate of Origin.

Company profile

Fast DeliveryODM ServicesFlexible CustomizationMinor Customization

Shenzhen Yanxin Technology Development Co., Ltd

Guangdong, China

Business Type: Trading Company CertifiedR&D Capacity: ODM Service AvailableNearest Port: shekouAverage Response Time: ≤2.20hTerms of Payment: T/TInternational Commercial Terms(Incoterms): DDP, EXW, CFR

AI-Powered supplier vetting

SummaryYanXin is identified as a Shenzhen-based trading company supplying a broad range of laptop parts and offering OEM/ODM services. It reports experience since 2008, a 175.0 m² manufacturing plant, 6–10 quality-control staff, one year of R&D engineer experience, and stated lead times within 15 workdays in both peak and off-season periods. However, it reports no quality assurance, no raw-material traceability, no written corrective-action or complaint-handling procedures, no inventory capability, and no overseas agents, branches, warehouses, showrooms, or offline trade-show participation. Supplier-management certification is listed as NIL. The available evidence supports product breadth and stated customization offerings, but several operational-control and international-service capabilities are either absent or insufficiently documented.

Supplier typeThe supplier is explicitly classified as a Trading Company, and its offshore business name is identified as not applicable. This indicates the documented supplier type is trading rather than a clearly established manufacturing entity.

CertificationsSupplier-management system certification is explicitly listed as NIL. No certification evidence is provided in the slices, so certified-management capability cannot be established.

After-Sales capabilityThe company claims painless after-sales service, but it reports no written procedures or records for corrective and preventive actions or complaint handling. It has written supplier-service assessment procedures but no records, making the claimed after-sales capability weakly substantiated.

Customization capabilityThe supplier explicitly offers OEM/ODM services and lists a broad laptop-parts range, including batteries, chargers, screens, keyboards, and other components. These statements provide direct evidence of offered customization services, although no specific customized project records are supplied.