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280W 290W 30V off-Grid Solar Monocrystalline PV Module Solar Panel System Power Supply
US$0.20
1-999 W
US$0.18
1,000-4,999 W
US$0.16
5,000-9,999 W
US$0.14
10,000+ W
Sample price:US$0.22/w.Request sample
Product profile
Customization
AvailableWarranty
20 YearsNumber of Cells
60Model NO.
JS-SMP280W; JS-SMP290WApplication
Light IndustryCondition
NewCertification
EST, ISO, CB, CEMaterial
Monocrystalline SiliconOutput Power (W)
280W; 290W;Voltage (V)
30VDimension (mm*mm)
1640*990*40mmOpen-Circuit Voltage (Voc)
37.5Short-Circuit Current (Isc)
10.3;10.66Operating Voltage (Vmp)
29.93Operating Current (Imp)
9.36;9.69Module Weight (Kg)
17kgsTransport Package
Carton and PalletsSpecification
CE, ROHS, TUV, IEC61215, IEC61730Trademark
JUSTOrigin
ChinaHS Code
8541409000Production Capacity
10000PCS/MonthKey features
High Efficiency Cells: Mono crystalline silicon cells with 20.5-22% efficiency for superior power generation.
Robust Durability: Features 3.2mm low-iron tempered glass and IP65 junction box for weather resistance.
Long Lifespan Warranty: Guarantees 100% power output for 5 years, 95% for 10 years, and 80% for 25 years.
Professional OEM/ODM: Custom logo printing on gift boxes and products is available for free.
Fast Sample Delivery: Sample orders can be delivered within 3 days for quick evaluation.
Multiple Certifications: Products hold TUV, CE, RoHS, FCC, PSE, and ISO 9001:2008 certifications.
Flexible Payment Terms: Accepts T/T, L/C, Western Union, and PayPal with EXW, FOB, CFR, and CIF options.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2004-05-05Nearest Port: SHEN ZHENAverage Response Time: ≤7.58hTerms 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.
Product Q&A
Q:What is the warranty period for the solar panel?
A:
The warranty guarantees 100% power output for 5 years, 95% for 10 years, 90% for 15 years, and 80% for 25 years.
Q:What are the available power ranges?
A:
Options include Small Power (3W-90W), Middle Power (100W-230W), and Big Power (280W-360W).
Q:Can I customize the product with my brand logo?
A:
Yes, we support free custom logo printing on gift boxes and products for MOQ orders.
Q:What is the delivery time for orders?
A:
Samples take 3 days, trial orders take 10-15 days, and mass orders take 25-30 days.
Q:What certifications does the solar panel have?
A:
The product holds TUV, CE, RoHS, FCC, PSE, IEC, and ISO 9001:2008 certifications.
Send Inquiry
*To:
Shenzhen Just-Solar Co., Ltd.
Shenzhen Just-Solar Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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