What is the lead time for production?

The average lead time is one month for both peak and off-peak seasons.

What is the efficiency of the solar panels?

The module efficiency ranges from 20.9% to 21.7%.

Hot Sale Longi Solar Panels 540W 545W 550W Half Cell Mono PV Solar Panel for Home

Name: Hot Sale Longi Solar Panels 540W 545W 550W Half Cell Mono PV Solar Panel for Home
Brand: SUNWAY SOLAR CO., LTD.
SKU: 1914884301

Anhui, ChinaSUNWAY SOLAR CO., LTD.

US$0.13

10,000-99,999 watt

US$0.11

100,000-9,999,999 watt

US$0.09

10,000,000+ watt

Product profile

Customization

Available

After-sales Service

Support

Warranty

25 Years

Model NO.

LR5-72HPH-545W

Number of Cells

144cells

Application

Solar System

Condition

New

Certification

CE, TUV

Material

Monocrystalline Silicon

Product Name

Longi Solar Panel

Junction Box

IP68, Three Diodes

Frame

Anodized Aluminum Alloy Frame

Weight

27.2kg

Glass

Single Glass, 3.2mm Coated Tempered Glass

Operational Temperature

-40℃~+85℃

Protection Class

Class II

Specification

2256*1133*35mm

Trademark

Longi

Origin

China

Production Capacity

500000watt Per Month

Key features

25-Year Warranty: Comprehensive 25-year warranty coverage for all solar panel units.

High Efficiency Cells: Monocrystalline silicon half-cell technology with up to 21.7% efficiency.

Durable Frame Material: Constructed with anodized aluminum alloy frame for long-term durability.

IP68 Junction Box: Waterproof IP68 rated junction box with three diodes for safety.

OEM and ODM Services: Full customization options available including samples, designs, and minor changes.

Multiple Power Options: Available in 535W, 540W, 545W, 550W, and 555W power ratings.

Global Certification: Certified with CE and TUV standards for international safety compliance.

Company profile

Importers and ExportersExhibition ExperienceOverseas ServicesProduct Certification

SUNWAY SOLAR CO., LTD.

Anhui, China

Business Type: Manufacturer/Factory, Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 9 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.18h CertifiedTerms of Payment: T/T, LC

AI-Powered supplier vetting

SummarySUNWAY is identified as a factory operating in the renewable-energy sector, with stated production of solar panels, solar inverters, lithium batteries, wind-energy systems, and solar water pumps. The supplier reports broad customization and ODM capabilities, new-product development during the past year, OEM service for well-known brands, overseas agents or branches, and participation in an international trade show. Its service offering includes installation, training, repair, maintenance, and debugging, with overseas markets spanning multiple regions. Production and quality-control information is provided, including 6–10 quality-control staff and stated annual capacities. However, no certification information, overseas warehouse or showroom capability, SDK availability, or specific customer cases is provided. Financial records are referenced for multiple years, but the available slices do not establish financial strength or credibility.

Supplier typeThe supplier is explicitly identified as a factory, while its associated companies are classified in information transmission, software, and information technology services. This supports classifying SUNWAY as a manufacturing supplier rather than only a trading or service intermediary.

After-Sales capabilitySUNWAY states that it provides equipment installation, training, repair, maintenance, and debugging overseas, and has overseas agents or branches. However, it has no overseas warehouse or showroom, so the evidence supports substantive service coverage but not a full local infrastructure network.

R&D capabilityThe supplier reports new products during the past year, ODM service, and a focus on technological innovation and improving product performance. However, it reports no available SDK, so innovation capability is supported at the product-development level but not for SDK-based integration.

Production capacityStated annual capacities include 500,000 solar panels, 1,000,000 lithium batteries, 1,000,000 solar inverters, 50,000 wind-energy systems, and 50,000 solar water pumps. The supplier also reports 6–10 quality-control staff and exports to multiple global regions, providing explicit evidence of established production capability.

Customization capabilitySUNWAY explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same broad customization range is reported across the product and R&D capability information, indicating strong stated customization coverage.