What is the efficiency of the solar cells?

The mono crystalline silicon cells offer an efficiency range of 20.5% to 22%.

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40W Foldable Stand Mono Crystalline Solar Panel PV Module Battery System Power

Name: 40W Foldable Stand Mono Crystalline Solar Panel PV Module Battery System Power
Brand: Shenzhen Just-Solar Co., Ltd.
SKU: 745117402

Guangdong, ChinaShenzhen Just-Solar Co., Ltd.

US$11.00

1-999 Pieces

US$10.00

1,000-4,999 Pieces

US$9.00

5,000-9,999 Pieces

US$8.00

10,000+ Pieces

Sample price:US$12.00/piece.Request sample

Product profile

Customization

Available

Warranty

20 Years

Number of Cells

36pcs

Model NO.

JT-FSP40M

Application

Light Industry

Condition

New

Certification

EST, ISO, CB, CE

Material

Monocrystalline Silicon

Output Power (W)

40W

Voltage (V)

18V

Dimension (mm*mm)

455*75*360mm

Open-Circuit Voltage (Voc)

21.6

Short-Circuit Current (Isc)

2.35

Operating Voltage (Vmp)

Operating Current (Imp)

2.2

Module Weight (Kg)

6.5 Kgs

Transport Package

Carton and Pallets

Specification

CE, ROHS, TUV, IEC61215, IEC61730

Trademark

JUST

Origin

China

HS Code

8541409000

Production Capacity

10000PCS/Month

Key features

20-Year Warranty Coverage: Comprehensive warranty covering 100% power for 5 years, 95% for 10 years, 90% for 15 years, and 80% for 25 years.

High Efficiency Cells: Features mono crystalline silicon cells with 20.5-22% efficiency for optimal energy conversion.

Foldable Portable Design: Compact folding dimensions of 455*75*360mm and lightweight 6.5kg for easy transport and storage.

Durable Construction: Built with low-iron tempered glass, anodized aluminum alloy frame, and IP65 rated junction box.

Multiple Power Options: Available in small (3W-90W), middle (100W-230W), and big power (280W-360W) ranges with various voltages.

Global Certifications: Certified by TUV, CE, RoHS, FCC, PSE, IEC, ISO 9001, SONCAP, and SASO for international compliance.

OEM and ODM Support: Free custom logo printing on gift boxes and products for orders meeting MOQ requirements.

Company profile

Shenzhen Just-Solar Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2004-05-05Nearest Port: SHEN ZHENAverage Response Time: ≤8.91hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, FAS, DDP, FCA, EXW

AI-Powered supplier vetting

SummaryShenzhen Just-Solar Co., Ltd. is identified as a China-based manufacturer/factory operating in Guangdong, with separate production entities described for domestic and overseas business. The supplier reports multiple management-system certifications, 50 quality-control staff, more than 10 production lines, extensive solar-product output, export activity since 2004, and sales coverage across multiple global regions. It states that it provides product design, R&D, manufacturing, shipment arrangement, warranties, after-sales service, and market suggestions. The available information supports strengths in manufacturing scale, export experience, product development, customization, and stated service capabilities. However, financial credibility cannot be assessed because relevant financial information is excluded, and the representative-title record is invalid or unusable.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory, with production locations in Shenzhen, Guangdong, China. Its descriptions identify separate production entities for domestic and overseas business, supporting direct manufacturing involvement rather than a purely trading profile.

CertificationsThe supplier lists BSCI, ISO 9000, ISO 9001, ISO 14001, ISO 14000, HSE, GMP, EICC, and QC 080000 as supplier-management-system certifications. The slice does not provide certificate numbers, validity dates, issuing bodies, or scopes, so the assessment is based on the stated holdings only.

After-Sales capabilityThe supplier explicitly states that it provides a warranty period for each product, after-sale service, and reasonable suggestions for solar products and markets. It also describes support across the full shipment process, indicating a stated service capability beyond production.

R&D capabilityThe supplier states that it designs, researches, develops, and manufactures solar products according to customer requirements, and reports total R&D-engineer experience of 31–40 years. These statements support product-development capability, although they do not quantify patents, laboratories, or new-product launches.

Production capacityThe supplier is identified as a factory and reports more than 10 production lines, 50 quality-control staff, and substantial stated output for solar systems, panels, chargers, and lights. It also lists a broad solar-product portfolio and export coverage across multiple regions, supporting significant production breadth and capacity.

Customization capabilityThe supplier explicitly states that it designs, researches, develops, and manufactures solar products according to customer requirements and supplies products in customers' quality classes. This directly supports customization in product design and quality specifications.

Client casesThe supplier lists Shell, Geodrill, Newmont, Tullow, and Heineken as main customers. These named customer references provide explicit evidence of customer cases, although the slices do not include project details, transaction scope, or verification documentation.