What is the module efficiency of the 550W panel?

The 550W model (LR5-72HPH-550M) achieves a module efficiency of 21.5%.

Are the solar cells Grade A quality?

Yes, we use Grade A Monocrystalline Silicon cells with 100% sorting to ensure no color or power difference.

Is the junction box waterproof?

Yes, the junction box has an IP68 rating and includes three diodes.

Tier-1 Longi Solar Panel 550W Excellent Outdoor Power Generation Performance

Name: Tier-1 Longi Solar Panel 550W Excellent Outdoor Power Generation Performance
Brand: Sail Solar Energy Co., Ltd
SKU: 2099968035

Anhui, ChinaSail Solar Energy Co., Ltd

US$0.11-0.15

100,000 watt

Sample price:US$121.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Support

Warranty

25 Years

Model NO.

LONGi Hi-MO 6

Number of Cells

144cells

Application

Solar Plant

Condition

New

Certification

ISO, CE

Material

Monocrystalline Silicon

Frame

Silver / Black Anodized Aluminium Alloy

Brand

Longi Solar

Maximum System Voltage

1000V/1500V DC

Cable

4mm2; Portrait/Landscape Length

Solar Cell

182mmx182mm, Grade a, Half Cult

Panel Dimensions

2278X1134X30mm

Cell Type

Perc, Half Cell, Bifacial, N Type Topcon

Transport Package

Wooden Pallet and Carton Box

Specification

2278X1134X30mm

Trademark

Longi Solar

Origin

China, Hefei

Production Capacity

100000PCS/Month

Key features

25-Year Warranty: Comprehensive 25-year warranty coverage for long-term reliability.

High Efficiency Cells: Up to 21.5% module efficiency using Grade A Monocrystalline Silicon.

Durable Construction: 3.2mm AR coated tempered glass with IP68 junction box for harsh environments.

Advanced Cell Technology: 144 Half-Cell PERC N-Type Topcon bifacial cells for superior performance.

OEM/ODM Support: Full customization available including frame color and brand logo.

Fast Delivery: Standard delivery within 5-7 working days for most orders.

Strict Quality Control: 100% EL testing and color sorting ensure zero micro-cracks and consistency.

Flexible Payment Terms: Accepts T/T, L/C, PayPal, and Western Union with options for small amounts.

Company profile

Fast DeliveryImporters and ExportersIn-stock CapacityCustomization from Samples

Sail Solar Energy Co., Ltd

Anhui, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Shanghai PortAverage Response Time: ≤5.87h

AI-Powered supplier vetting

SummarySAIL SOLAR ENERGY CO., LTD, located in Hefei, Asia, specializes in the sales of solar and wind power equipment and components. Despite offering customization services, the supplier lacks new product launches and comprehensive after-sales processes. Its financial data is available but lacks detailed analysis. The supplier has no overseas showrooms, agents, or participation in trade shows, which limits its international service capabilities. The R&D capability is minimal with only one engineer, and there are no written procedures for quality assurance or customer complaint handling.

Supplier typeThe supplier is involved in the technology dissemination, sales of solar and wind power equipment, and import/export activities.

After-Sales capabilityThe supplier lacks written procedures for handling customer complaints and preventive actions, indicating a deficiency in after-sales service capabilities.

R&D capabilityThe supplier has not launched new products recently and has limited R&D capabilities with only one engineer.

Production capacityThe supplier offers ODM and OEM services but lacks new product development and innovation.

Customization capabilityThe supplier provides various customization services including customization from samples and designs.