Key Features

144-cell format

Benefits

• High module power density for fewer modules per installed capacity.
• 1500V DC system voltage rating supports modern string design.
• Mechanical loading ratings support rooftop installation conditions.
• Stated degradation profile indicates reduced output loss over the warranty period.

Technical Summary

LONGi Hi-MO X10 Explorer LR7-72HVH-640M solar module, 640W Pmax, 23.7% efficiency, 53.70V Voc, 15.13A Isc, 44.36V Vmp, 14.43A Imp. 144-cell (6×24) single-glass module with IP68 junction box, 3.2mm coated tempered glass, anodized aluminium alloy frame, Class II protection, IEC Class C fire rating, -40°C to +85°C operating temperature, maximum system voltage DC1500V (IEC), 25A maximum series fuse rating.

Installation Notes

Install within the stated operating temperature range of -40°C to +85°C. Maximum system voltage is DC1500V (IEC). Output cable is 4mm², with +400/-200mm or ±1400mm length options stated as customisable. Mechanical loading is rated at 5400Pa front and 2400Pa rear.

Efficiency

Matched 640M variant efficiency is 23.7%. Power tolerance is 0~3%. Stated temperature coefficient of Pmax is -0.260%/°C. Degradation figures stated are <1% in year one and 0.35% per year for years 2 to 30.