Can the solar panel be customized?

Yes, any power, voltage, size, and shape can be customized, and we accept OEM/ODM orders.

What are the main applications for this panel?

It is suitable for small home projects, science projects, electronic applications, charging small DC batteries, and building powered models or toys.

Polycrystalline 4.2W 18V Solar Panel Charger

Name: Polycrystalline 4.2W 18V Solar Panel Charger
Brand: Shenzhen Hopesun Solar Technology Co., Ltd
SKU: 2073970035

Guangdong, ChinaShenzhen Hopesun Solar Technology Co., Ltd

US$0.68-1.30

10 PCS

Sample price:US$1.50/pcs.Request sample

Product profile

Customization

Available

After-sales Service

30 Years

Warranty

25 Years

Model NO.

HPS-4.2W-18V+Clip

Number of Cells

36pcs

Application

Mobile/Battery/Charger

Condition

New

Certification

EST, ISO, CB, CE

Material

Polycrystalline Silicon

Item

Small Solar Panel

Panel Size

200*130*3mm

Cell Size

125*125mm

System Voltage

18V

OEM/ODM

Acceptable

Panel Efficiency

4.2W

Transport Package

Carton

Specification

18V/4.2W

Trademark

HopeSun

Origin

Guangdong, China

HS Code

854142000

Production Capacity

100MW/Year

Key features

Customizable Design: Any power, voltage, size, and shape can be customized to meet specific needs.

High Efficiency Panel: Features 20% panel efficiency with polycrystalline silicon and PET surface.

Long Warranty: Comes with a 25-year warranty and 30 years of after-sales service.

Multiple Certifications: Certified by FCC, CE, RoHS, EST, ISO, and CB for quality assurance.

Versatile Applications: Ideal for small home projects, science projects, and charging small DC batteries.

Fast Delivery: Goods can be delivered within a week upon receipt of payment.

OEM/ODM Service: Accepts OEM and ODM orders for customized solar panel solutions.

Quality Guarantee: Pre-production samples and final inspections ensure consistent quality.

Company profile

Shenzhen Hopesun Solar Technology Co., Ltd

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2010-06-20Nearest Port: Shenzhen / HongkongAverage Response Time: ≤6.68hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF, DDP, DAP

AI-Powered supplier vetting

SummaryShenzhen Hopesun Solar Technology Co., Ltd. is identified as a Chinese manufacturer/factory established in 2011, producing a broad range of solar panels, chargers, lighting products, and solar systems. The supplier reports ISO 9000 and ISO 9001 management-system certifications, 21–30 years of combined R&D-engineer experience, a 5,000-square-meter factory, more than 160 employees, 50 quality-control staff, and seven production lines. Its stated export coverage is broad, spanning multiple regions, and its factory is located near Shenzhen and Hong Kong ports. Evidence supports established manufacturing, quality-management, and R&D capabilities. However, after-sales processes, financial credibility, customization capability, and the depth of customer references are not sufficiently documented. One trade record identifies a Mexican buyer and one transaction, but this is limited evidence rather than a broad customer-case history.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and operates under the legal name Shenzhen Hopesun Solar Technology Co., Ltd. It reports a 5,000-square-meter factory in Shenzhen, China, and offers solar panels, chargers, lighting, and solar-system products, supporting its classification as a direct manufacturing supplier.

CertificationsThe supplier reports ISO 9000 and ISO 9001 certification for its management systems. These stated certifications provide explicit evidence of formal quality-management practices, although no certificate numbers, issuing bodies, or validity dates are provided.

R&D capabilityThe supplier reports 21–30 years of total R&D-engineer experience, states that R&D is a priority, and says it invests 8%–10% of sales revenue annually in R&D. Its product range includes flexible, foldable, glass, balcony, and other solar solutions, providing explicit evidence of active product-development capability.

Production capacityThe supplier reports a 5,000-square-meter factory, more than 160 employees, 50 quality-control staff, seven production lines, and stated annual output for solar systems and solar panels. Its broad export-market coverage and access to Shenzhen and Hong Kong ports further support operational capacity, although production figures are self-reported and their units are not clarified.

Product Q&A

Q:What advantages do you offer?

We offer competitive pricing for bulk purchases, short delivery times (within a week), a wide variety of brands and categories, and one-stop service to save time and energy.

Q:How do you guarantee quality?

We always provide pre-production samples before mass production and conduct final inspections before shipment to ensure quality.

Q:Why should I buy from your company?

We have over 15 years of combined solar energy experience and help customers harvest clean energy at any location worldwide.

Q:What services can you provide?

We accept various delivery terms (FOB, CFR, CIF, etc.), multiple payment currencies and types, and speak English, Chinese, Spanish, and French.

Q:What is the warranty period?

We provide a 25-year warranty and 30 years of after-sales service.