LONGi LR8-66HGD-610M 610W Bifacial Half-Cut Mono High-Efficiency Solar Panel

Key Features of the LONGi LR8-66HGD-610M 610W Solar Panel

The LONGi LR8-66HGD-610M is engineered with state-of-the-art technology to deliver exceptional performance and reliability. Here are its standout features:

• 610W High Power Output: Experience industry-leading power generation with an impressive 610 watts per panel, significantly reducing the number of panels required for your desired energy capacity. This high power density makes it a cost-effective solution for large-scale projects in Bangladesh.
• Bifacial Technology: Unlike traditional solar panels, this bifacial module captures sunlight from both the front and rear sides. The transparent rear side allows reflected and diffused light to be converted into electricity, boosting overall energy yield by an additional 5-25% depending on the installation environment. This is particularly beneficial for ground-mounted systems or installations over reflective surfaces.
• Half-Cut Cell Design: The module utilizes 132 (6×22) half-cut monocrystalline PERC cells. This design reduces current loss, lowers the internal operating temperature, and enhances resistance to hot spots, leading to higher module efficiency and improved performance under partial shading conditions.
• Mono PERC Technology with Gallium-Doping: Built with advanced Monocrystalline Passivated Emitter Rear Cell (PERC) technology, further enhanced with Gallium-doping, the cells exhibit superior low-light performance and excellent power degradation control. This ensures stable and reliable power output throughout the panel’s long lifespan.
• High Module Efficiency: With a module efficiency of up to 21.7%, the LONGi 610W panel converts a higher percentage of sunlight into electricity, maximizing your energy harvest from a given area. This makes it one of the most efficient solar panels available in the Bangladesh market.
• Excellent Low-Irradiance Performance: Designed to perform optimally even in cloudy conditions or at dawn and dusk, ensuring consistent energy production throughout the day, which is crucial for variable weather patterns in Bangladesh.
• Robust Double Glass Construction: Featuring 2.0mm heat-strengthened glass on both the front and rear sides, this panel offers superior mechanical strength and enhanced durability against micro-cracks, PID (Potential Induced Degradation), and harsh environmental factors like salt mist and ammonia.
• Enhanced Durability & Reliability: Constructed with a sturdy anodized aluminum alloy frame and an IP68-rated junction box, the panel is built to withstand extreme weather conditions, ensuring long-term performance and peace of mind.
• Positive Power Tolerance: Guaranteed positive power tolerance of 0 ~ +3%, meaning your panel will perform at or above its rated power, never below, ensuring you always get the power you paid for.

Technical Specifications

Here are the detailed specifications for the LONGi LR8-66HGD-610M 610W Bifacial Half-Cut Mono High-Efficiency Solar Panel:

Attribute	Specification
Module Type	LONGi LR8-66HGD-610M
Maximum Power (Pmax)	610 Wp
Module Efficiency	21.7%
Power Tolerance	0 ~ +3%
Cell Type	Monocrystalline PERC, Gallium-doped
Number of Cells	132 (6×22) Half-Cut
Open Circuit Voltage (Voc)	43.85 V
Short Circuit Current (Isc)	17.51 A
Voltage at Max Power (Vmp)	36.98 V
Current at Max Power (Imp)	16.49 A
Bifaciality Factor	70 ± 10%
Dimensions (L x W x H)	2278 mm x 1134 mm x 30 mm
Weight	31.8 kg
Front Glass	2.0 mm Heat Strengthened Glass
Rear Glass	2.0 mm Heat Strengthened Glass
Frame	Anodized Aluminum Alloy
Junction Box	IP68 Rated, 3 Bypass Diodes
Connectors	MC4 Compatible
Cable Length	1400 mm (Standard)
Operating Temperature	-40°C to +85°C
Max System Voltage	1500V DC
Temperature Coefficient of Pmax	-0.34 %/°C
Temperature Coefficient of Voc	-0.25 %/°C
Temperature Coefficient of Isc	+0.048 %/°C
Product Warranty	12 Years
Linear Power Warranty	30 Years (0.45% annual degradation)