Description
This is the LR8-66HGD-620M by Longi. It’s a 620W BiFacial solar module designed to meet the needs of commercial & industrial solar projects, plus ground-mounted residential projects looking for a larger format module and reduced cost per watt. Longi is one of the world’s leading wafer, cell, and module manufacturers – rest assured, this is an investment in performance you can trust.
This module is one of Longi’s Hi-MO 7 series – LONGi’s latest generation of high-efficiency modules designed for the utility market. It boasts excellent power generation performance and product reliability, making it particularly suitable for applications with high albedo, high temperature, and limited space.
New Wafer Size
The Hi-MO 7 66c adopts LONGi n-type TaiRay silicon wafers (wafer size 182.2 × 210mm), LONGi HPDC cell technology, and SMBB technology. It is designed according to the optimal module size of 2382 × 1134mm, with a module power range of 610W-625W and corresponding module efficiency of 22.6% -23.1%. The first year degradation is 1%, and the annual degradation is 0.4%.
Improved Temperature Coefficient
The power temperature coefficient of Hi-MO7 product is -0.28%/° C, which is significantly lower than the TOPCon product on the market at -0.30%/°C. At the same time, the low voltage design of Hi-MO7 66c can save BOS costs such as brackets and cables in most applications, such as tracker scenarios and scenarios with conventional wind speed. Thereby achieving a lower LCOE and higher customer value.
Increased Cost Reduction
The Hi-MO7 66c module inherits the advantages of the Hi-MO7 products: a higher bifaciality of 80% and a superior temperature coefficient of -0.28%/°C. Additionally, the 66c module features characteristics such as low voltage and high current, which enable longer string number. This can lead to significant cost savings in most applications compared to 72c module.
LR8-66HGD-620M Specifications in Brief
Mechanical
Cell Orientation : 132 (6×22)
Junction Box : IP68, three diodes
Glass : Dual glass, 2.0+2.0mm heat strengthened
Frame : Anodized aluminum alloy (silver)
Weight : 32.2kg
Dimension : 2382×1134×30mm
Electrical (STC)
Maximum Power (Pmax/W) : 620W
Open Circuit Voltage (Voc/V) : 48.78V DC
Short Circuit Current (Isc/A) : 16.05A
Voltage at Maximum Power (Vmp/V) : 40.91V DC
Current at Maximum Power (Imp/A) : 15.16A
Module Efficiency(%) : 23.0%
Warranty
12 Years Manufacturing
30 Years Performance
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