Longi Hi-MO X10 670W Solar Panel

Short Description:

Industry-Leading Efficiency Max module efficiency of 24.80%, delivering higher power output per square meter.
Superior Power Degradation Only 1% first-year degradation and 0.35% annual degradation from year 2 to 30.
Better Temperature Coefficient -0.26%/℃ Pmax, ensuring higher power generation in high-temperature environments.
Bifacial Dual-Glass Design Up to 75±5% bifaciality, capturing rear-side irradiation to significantly reduce LCOE.
Enhanced Mechanical Load Certified to withstand 5400 Pa front and 2400 Pa rear static loads, plus 25mm hailstone impact at 23m/s.
IP68 Junction Box Three diodes for superior protection and reliability.

Item	Specification
Brand / Series	LONGi / Hi-MO X10 Scientist
Model	LR8-66HVD
Power Range	640W – 670W
Module Dimensions	2382 × 1134 × 30 mm
Weight	32.5 kg

Electrical Characteristics (STC)

Module Type	Max Power	Voc/V	Isc/A	Efficiency
LR8-66HVD-640M	640W	49.52	16.38	23.69%
LR8-66HVD-670M	670W	50.12	16.86	24.80%

Rear Side Power Gain

Pmax/W	Voc/V	Isc/A	Pmax Gain
645	49.62	16.46	0%
808	49.72	20.58	25%

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Product Detail

Product Tags

Introducing the LONGi Hi-MO X10 Scientist LR8-66HVD, an ultra-high efficiency N-type bifacial dual-glass solar module delivering 640W to 670W of power. It boasts an industry-leading maximum module efficiency of 24.80% and an outstanding degradation profile (1% first year, ≤0.35% annual thereafter). With a superior temperature coefficient (-0.26%/℃) and bifaciality of up to 75±5%, it maximizes energy yield even in high-temperature and low-light conditions. Built with a robust dual-glass structure, anodized aluminum frame, and IP68 junction box, this 132-cell (6×22) module is certified for extreme mechanical loads (5400 Pa front / 2400 Pa rear) and backed by a 30-year linear power warranty, making it the ultimate choice for commercial and utility-scale solar projects.