LONGi Hi ROOF T

Core Advantages

Damage-Free Bonding

Penetration-free, lightweight, and weather-resistant – protecting your roof while extending its service life.

System-Level Fire Safety

Prevent ：no ignition sources； Contain：fire barriers block spread； Stop：no penetration, no flame drip-throug

Hot Air Welding

Base flange welded with roof membrane bring high wind uplift resistance

Leading Power Generation

Maximize installation capacity by 3-13% with HPBC 2.0； 360° Anti-dust desig

Damage-Free Bonding

Penetration-free, lightweight, and weather-resistant – protecting your roof while extending its service life.

Hot Air Welding

Base flange welded with roof membrane bring high wind uplift resistance

System-Level Fire Safety

Prevent ：no ignition sources； Contain：fire barriers block spread； Stop：no penetration, no flame drip-throug

Leading Power Generation

Maximize installation capacity by 3-13% with HPBC 2.0； 360° Anti-dust desig

FAQ

What are the advantages of penetration-free installation, and how reliable is the welding method?

What is the wind uplift resistance of LONGi Hi ROOF T?

How should we understand the three-stage fire safety philosophy of "Prevent Ignition, Stop Spread, Block Penetration" for the LONGi Hi ROOF T system?

Module Type	635M	640M	645M	650M	655M	660M
Maximum Power (Pmax/W)	635	640	645	650	655	660
Open-circuit Voltage (Voc/V)	53.92	54.02	54.12	54.22	54.32	54.42
Short-circuit Current (Isc/A)	14.89	14.98	15.06	15.14	15.22	15.30
Peak Power Voltage (Vmp/V)	44.57	44.67	44.77	44.87	44.97	45.07
Peak Power Current (Imp/A)	14.25	14.33	14.41	14.49	14.57	14.65
Module Efficiency (%)	23.7	23.9	24.1	24.3	24.4	24.6

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LONGi has a comprehensive product line of green building PV solutions and a complete supply process to provide professional service and full-life-cycle O&M capabilities.