Longi LR8-66HGD-600M Bifacial - solar panel 600 W

CL-000763
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Description Longi LR8-66HGD-600M Bifacial

Solar panel Longi LR8-66HGD-600M Bifacial

The Longi LR8-66HGD-600M Bifacial lands on a clean 600 W per unit at 22.21% module efficiency — a number that is genuinely easier to plan around: a hundred modules is exactly 60 kW of installed capacity, no rounding or extra multiplication involved. On a commercial roof, where every additional module means more mounting points, more cable, more install time, a round number carries real practical weight when a project budget and procurement list are being put together.

Technology base: N-type TOPCon, glass-glass

The module is built on 132 N-type TOPCon half-cells in a double-glass layup. Compared with the older P-type PERC standard, this technology essentially eliminates light-induced boron degradation during the first months of service, so rated output holds steady from day one instead of settling in after an early dip.

Fewer modules for the same kilowatt

At 600 W per unit, a commercial installation needs noticeably fewer panels to hit the same installed capacity than it would with lower-wattage modules on the market. That translates into fewer roof penetrations or mounting points, shorter DC home runs, and fewer MC4 connectors — each one a potential failure point removed from the system over its service life.

Bifacial gain on flat commercial roofs

The 80% ±5% bifaciality factor performs especially well on flat warehouse and industrial roofs, where modules are typically tilted on racking with an elevated rear side — a light-coloured membrane or gravel roof surface reflects extra light onto the rear glass. This is precisely the scenario where a bifacial panel shows up as a measurable gain in the annual yield report.

Built for continuous industrial-scale duty

IP68 protection, a -40°C to +85°C operating range, and a 1500 V maximum system voltage allow longer strings with fewer central inverters — a typical layout for commercial arrays. The 30-year performance warranty (~87.4% residual output) combined with 0.4% annual degradation after year one keeps the generation forecast stable across the full payback horizon.

In commercial project budgets, a 5–10 W gap between neighbouring wattage steps in the same line rarely changes the overall picture, but a round figure like 600 W noticeably simplifies sign-off with a client or a financing bank, since capacity can be calculated without fractional multipliers.

We size commercial projects of any scale, from a supermarket roof to a production hall. Contact our sales team to work out the exact module count of the Longi LR8-66HGD-600M Bifacial for your inverter and site layout — currently in stock.

Characteristics Longi LR8-66HGD-600M Bifacial

Bidirectional generation coefficient
80% ±5%
Cell type
N-type TOPCon
Class
Tier-1
Color
Silver
Construction
glass-glass
First year degradation
≤1%
Frame color
Срібний
Further degradation
0.4%/рік
Generation type
Two-way
Maximum system voltage
1500 V
Module efficiency
22.21%
MPP current
14.87 А
MPP voltage
40.35 В
Number of cells
132 half-cell
Operating temperature
from -40 to +85°C
Performance guarantee
30 років (≈87.4%)
Power
600 W
Protection class
IP68
Residual capacity 30 years of operation
≈87.4%
Technology
Bifacial, Double Glass, N-type TOPCon
General characteristics
Country of origin
People's Republic of China
Country of origin
People's Republic of China
Guarantee
12 months
Manufacturer
Longi
Overall dimensions
Length
2382 мм.
Thickness
30 mm.
Width
1134 mm.
Physical properties
Material of execution
Скло
Weight
33.5 кг.
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