What is the module efficiency of this panel?

The module efficiency is 21.5%.

Does the company provide after-sales support?

Yes, we provide telephone/video online installation technical guidance, installation solutions, and brand marketing consultation.

550W Half Cut 144 Cells High Efficiencty Mono Solar Panel Price

Name: 550W Half Cut 144 Cells High Efficiencty Mono Solar Panel Price
Brand: Changzhou 1st Sunflower Intelligence Technology Co., Ltd.
SKU: 1972569495

Jiangsu, ChinaChangzhou 1st Sunflower Intelligence Technology Co., Ltd.

US$94.00

2-30 Set

US$89.00

31+ Set

Product profile

Customization

Available

After-sales Service

After-Sales Service Support

Warranty

10 Years

Model NO.

550W

Number of Cells

144 Cells

Condition

New

Certification

EST, ISO, CB, CE

Material

Monocrystalline Silicon

Cells

110 Cells(55*2)

Transport Package

LCL: Carton+Plywood Cases FCL: Carton

Specification

2384mm*1096mm*35mm

Trademark

None

Origin

Jiangsu, China

HS Code

8541402000

Production Capacity

6500 Set/Sets Per Month

Key features

High Efficiency Output: 21.5% module efficiency with 550W max power output for maximum energy generation.

Durable Rugged Design: Withstands 5400Pa snow load and 25mm hail at 23m/s for challenging environments.

Half-Cut Cell Technology: 144 half cells provide greater tolerance to shading and improved performance.

High Voltage System: Supports DC1500V maximum system voltage for efficient grid-tied installations.

Comprehensive Certification: Certified by EST, ISO, CB, and CE for quality and safety standards.

Long Warranty Coverage: Backed by a 10-year warranty for peace of mind and reliability.

Versatile Application: Ideal for both grid-tied commercial and residential solar panel systems.

Company profile

Changzhou 1st Sunflower Intelligence Technology Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2000-04-01 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤6.15h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryChangzhou 1st Sunflower Intelligence Technology Co., Ltd. is identified as a Chinese factory in Jiangsu, established in 2008, with stated solar-product manufacturing experience dating from 1998. The supplier reports ISO9001:2015 certification, four production lines, six to ten quality-control staff, and two R&D engineers. Its products include solar attic fans, solar water heaters, solar power systems, solar air conditioners, solar water pumps, and LED lights. The supplier states that 90% of sales are exports, serves markets in South America, Europe, Australia, and North America, and offers after-sales support and international trade assistance. Evidence supports manufacturing operations, quality-system certification, export capability, and relevant solar-product experience. However, the provided information does not substantiate customer cases, detailed customization processes, or a sufficient basis for assessing financial credibility.

Supplier typeThe supplier is explicitly described as a factory located in Wujin District, Changzhou, Jiangsu, China, and operates as a limited company. Its stated business history and product focus are centered on solar and environmentally friendly products, supporting classification as a solar-product manufacturer.

CertificationsThe supplier explicitly reports holding an ISO9001:2015 certificate for its management system. This provides direct evidence of a documented quality-management certification, although no additional certifications are listed.

After-Sales capabilityThe supplier states that it provides fast and active after-sales support, product solutions, technical assistance, and an experienced international trade service team. These statements directly indicate an asserted after-sales service capability, though no service-level metrics or customer references are provided.

R&D capabilityThe supplier claims deep solar-product expertise, good R&D and production skills, excellent product-design capabilities, and two R&D engineers. These statements support relevant technical and product-development capability, but the slices do not provide patents, new-product records, or measurable innovation outcomes.

Production capacityThe supplier is identified as a factory with four production lines, a 900 m² manufacturing plant, six to ten quality-control staff, and stated solar-product manufacturing experience. It also reports order fulfillment within 15 workdays in both off-peak and peak seasons, supporting a positive assessment of stated production capacity and delivery readiness.