Monocrystalline PERC 550W Solar Panels

Engineered for Excellence: Monocrystalline PERC 550W Solar Panels

Monocrystalline PERC 550W Solar Panels incorporate advanced Passivated Emitter and Rear Cell (PERC) technology and half-cut cell design to achieve higher energy conversion rates and improved efficiency. The panels are built with 144 monocrystalline silicon cells, ensuring optimal performance even in challenging environmental conditions. With a sleek, all-black aesthetic and high-strength materials, these modules are tailored for projects where space optimization, cost-effectiveness, and durability are critical.

More details please contact Nico at nico@longsungreen.com

 

 

product  technologies

 

High Efficiency & Power Output: The PERC technology enhances light absorption and reduces electron recombination, enabling up to 21.6% module efficiency and 550W power output. This allows for greater energy production with fewer panels, ideal for space-constrained installations.

 

Exceptional Low-Light Performance: The panels operate efficiently in low-light conditions, such as early mornings, late evenings, or cloudy weather, ensuring consistent energy harvest throughout the day.

 

 

Enhanced Durability: Constructed with anti-reflective, high-transparency tempered glass (3.2mm) and a corrosion-resistant aluminum frame, the panels withstand heavy snow loads (5400Pa) and strong winds (2400Pa), making them suitable for diverse climates.

 

Reduced Power Loss: The half-cut cell design and multi-busbar (MBB) technology minimize resistance and shading losses, while bypass diodes mitigate power drop due to partial shading or soiling.

 

Long-Term Reliability: Backed by a 30-year linear performance warranty and a 15-year product warranty, these panels guarantee over 85% power output after 25 years, ensuring a strong return on investment.

 

Single-post PV project, Italy,solar module

 

Ground solar mount,Asia,solar panels

 

Roof-mounted PV project, Australia

 

Japan 2.5MW solar project

17Years of experience
in one-stop service

Why Choose us?

 

Automated Production Lines: Our state-of-the-art facilities use fully automated processes for cell sorting, stringing, and lamination, ensuring precise assembly and consistent quality across all panels.

 

Rigorous Quality Testing: Every module undergoes electroluminescence (EL) imaging and flash testing to detect micro-cracks, cell defects, and power deviations, ensuring only flawless products reach customers.

End-to-End Traceability: Each panel features a unique QR code that provides full traceability-from raw material sourcing to production data-enabling swift technical support and warranty processing.

 

 

 

 

80+

Test Reports

100+

Business Range

800
MW+

Annual Production Cpacity

15GW+

total Installed Capacity

Q: What is PERC technology, and how does it improve performance?
A: PERC (Passivated Emitter and Rear Cell) technology adds a reflective layer on the rear side of the cell, allowing unused light to be reflected back for a second absorption attempt. This increases light utilization and boosts efficiency.

Q: Are these panels suitable for residential use?
A: While designed for larger-scale applications, they can be used for residential projects with ample roof space. Their high power output makes them ideal for homeowners seeking to maximize energy generation.

Q: What maintenance is required?
A: Minimal maintenance is needed. Occasional cleaning to remove dust, debris, or snow is recommended to maintain peak efficiency. The durable design ensures long-term operation with little upkeep.

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