The 555W Haitai Solar Panel is a high-performance monocrystalline photovoltaic module designed for commercial, industrial, and utility-scale solar installations. Using advanced half-cut cell and multi-busbar technology, this panel delivers high energy output, long-term reliability, and reduced balance-of-system costs, making it ideal for high-yield solar projects.

Engineered for durability and consistent performance, the 555W Haitai solar panel offers excellent resistance to harsh environmental conditions while maintaining strong efficiency over its operational lifetime.

Key Features and Benefits

High Power Output – 555W
Delivers high energy density per panel, reducing the total number of modules required and lowering installation and mounting costs.

High Module Efficiency – Up to 21.48%
Advanced monocrystalline cell technology maximizes sunlight conversion for improved system performance and space efficiency.

Low Degradation and Long Service Life
First-year power degradation is less than 2%, followed by a low linear degradation rate of approximately 0.55% per year, ensuring stable energy production for up to 25 years.

Half-Cut Cell and Multi-Busbar Technology
Improves output performance, reduces internal resistance, enhances temperature behavior, and minimizes the risk of hotspots and micro-cracks.

Strong Performance in High Temperatures
Optimized temperature coefficient allows the panel to maintain reliable power output in hot climates.

High Mechanical Strength and Reliability
Designed to withstand high wind and snow loads, making it suitable for demanding environmental conditions.

Lower LCOE and Higher Return on Investment
Efficient design reduces balance-of-system costs and increases overall project profitability.

Technical Specifications

Rated Power Output: 555W
Module Efficiency: Up to 21.48%
Cell Type: Monocrystalline
Cell Configuration: 144 half-cut cells (6 × 24)
Module Dimensions: 2278 × 1134 × 30 mm
Weight: 28.0 kg
Front Glass: 3.2 mm high-transmittance tempered glass
Frame: Anodized aluminum alloy
Backsheet: Anti-aging film
Junction Box: IP68 rated
Connector Type: MC4 compatible
Operating Temperature Range: -40°C to +85°C
Maximum System Voltage: 1000 V / 1500 V
Nominal Operating Cell Temperature (NMOT): Approximately 41°C

Certifications and Quality Standards

IEC 61215 and IEC 61730 certified
Manufactured under ISO 9001 Quality Management standards
ISO 14001 Environmental Management compliant
ISO 45001 Occupational Health and Safety certified

555W Haitai Solar Panel Specifications Document