Downloads
Power your solar project with one of the most reliable and high-performance modules on the market. The LONGi LR7-54HGBB-445M is a 445W bifacial solar panel built with HPDC cell technology and TOPCon architecture, designed for superior power generation, enhanced durability, and outstanding energy yield in all climates.
Key Features
-  
445W High Output Power
Advanced HPDC cell technology ensures maximum energy generation. -  
22.0% Module Efficiency
One of the highest in its class for faster ROI and more energy in less space. -  
Bifacial Design (Up to 25% Rear Gain)
Capture reflected sunlight for even greater system efficiency. -  
TOPCon N-Type Cells
Better low-light performance, lower LID, and improved temperature coefficient. -  
Enhanced Durability
Dual-glass construction with anodized aluminum frame, IP68 junction box, and hail resistance tested at 23 m/s. -  
Long-Term Assurance
25-year materials & workmanship warranty + 30-year linear power output warranty (87.4% guaranteed in year 30). 
Technical Specifications
-  
Model: LR7-54HGBB-445M
 -  
Rated Power (STC): 445W
 -  
Open Circuit Voltage (Voc): 39.5V
 -  
Short Circuit Current (Isc): 14.30A
 -  
Voltage at Max Power (Vmp): 33.02V
 -  
Current at Max Power (Imp): 13.48A
 -  
Module Efficiency: 22.0%
 -  
Bifaciality Factor: 80 ±10%
 -  
Temperature Coefficient (Pmax): -0.280%/°C
 -  
Max System Voltage: 1500V DC (IEC/UL)
 -  
Max Series Fuse: 30A
 
Build & Dimensions
-  
Cell Configuration: 108 half-cut cells (6x18)
 -  
Glass: Dual-glass, 2.0mm + 1.6mm semi-tempered
 -  
Frame: Anodized aluminum alloy
 -  
Dimensions: 1800 × 1134 × 30 mm
 -  
Weight: 23.6 kg
 -  
Output Cables: 4mm², 1200mm length
 -  
Connector: MC4 Compatible
 
Packaging & Logistics
Certifications
- IEC 61215
 - IEC 61730
 - UL 61730
 - ISO9001:2015
 - ISO14001:2015
 - ISO45001:2018
 - IEC62941