LonGi 650W Solar Panel Overview
The LonGi 650W Solar Panel (Bifacial LR7-72HYD) is an advanced high-efficiency photovoltaic module designed for utility-scale solar power plants. Featuring TaiRay wafer and BC-cell technology, this panel provides superior power generation, with an efficiency of up to 24.4%. This module achieves more than a 6.5% performance improvement, ensuring optimal energy production over its lifecycle. Its bifacial design, capable of capturing sunlight from both sides, enhances energy output, particularly in reflective environments.
LonGi Solar 650W Key Features
- Power Output: 625W to 660W, optimizing power generation for large-scale applications.
- Efficiency: Maximum module efficiency of 24.4%, ensuring high energy yield even in low light conditions.
- Durability: The panel is equipped with a 30-year power warranty and a 12-year warranty for materials and processing.
- Bifacial Technology: Utilizes both front and rear sides to increase energy output by up to 30%, especially in reflective environments.
- Robust Construction: An anodized aluminum alloy frame and dual 2.0mm semi-tempered glass provide excellent durability and weather resistance.
LonGi 650W Datasheet
Mechanical Parameters
- Cell Orientation: 144 cells (6×24) configuration.
- Junction Box: IP68-rated with three diodes, offering excellent protection against environmental elements.
- Output Cable: 4mm², with a customizable length (+400, -200mm/±1400mm).
- Glass: Dual glass with 2.0mm semi-tempered structure for enhanced protection.
- Frame: Anodized aluminum alloy frame providing strong resistance to environmental stress.
- Weight: 33.5kg for easy installation and handling.
- Dimensions: 2382×1134×30mm.
- Packaging: 36pcs per pallet, 144pcs per 20’ GP container, 720pcs per 40’ HC container.
Electrical Characteristics (STC)
- Maximum Power (Pmax): 625W to 660W, depending on the model.
- Voltage at Maximum Power (Vmp): 41.16V to 53.80V.
- Current at Maximum Power (Imp): 14.42A to 18.06A.
- Module Efficiency: 23.1% to 24.4%, ensuring high energy yields.
Operating Parameters
- Operating Temperature: -40°C to +85°C, making it suitable for extreme environmental conditions.
- Nominal Operating Cell Temperature: 45±2°C.
- Maximum System Voltage: DC1500V (IEC/UL).
- Fire Rating: IEC Class C.
- Bifaciality: Up to 70%, optimizing energy generation from both sides of the panel.
Mechanical Loading
- Front Side Maximum Static Loading: 5400Pa.
- Rear Side Maximum Static Loading: 2400Pa.
- Hailstone Test: Can withstand hailstones at speeds up to 25m/s.
Temperature Ratings (STC)
- Temperature Coefficient of Isc: +0.050%/°C.
- Temperature Coefficient of Voc: -0.200%/°C.
- Temperature Coefficient of Pmax: -0.260%/°C.
Certifications
The LonGi 650W Solar Panel complies with the highest standards of quality and safety:
- IEC 61215, IEC 61730, UL 61730: Ensuring long-term performance and reliability.
- ISO 9001:2015: Quality management system certification.
- ISO 14001:2015: Environmental management system certification.
- ISO 45001:2018: Occupational health and safety certification.
- IEC 62941: Compliance with module design qualification and type approval.
Applications
This high-performance bifacial solar panel is ideal for large utility-scale solar installations, including:
- Utility power plants
- Solar farms
- Commercial rooftop installations
- Agricultural applications where optimal energy yield is required.
Warranty
The LonGi 650 Watt Solar Panel comes with comprehensive warranties:
- 12-year warranty for materials and processing.
- 30-year power warranty ensuring optimal performance and energy yield throughout the lifecycle of the panel.
LonGi 650 Watt Solar Panel Details

The LonGi 650W Solar Panel (Bifacial LR7-72HYD) features high-efficiency bifacial technology and a 25-year warranty for reliable energy generation.
Solar Panel Front
There is no Busbar on the front, and the appearance of pure black on the front makes your roof more beautiful.

LONGi 650W Bifacial Solar Panel, LR7-72HYD - High Efficiency Solar Energy Solution for Residential and Commercial Use.
Not only makes the color of the roof more beautiful, but also does not affect the efficiency and power generation.

Longi 650W Solar Panel (Bifacial LR7-72 HYD) - Your Reliable PV Partner from LONGi, Authenticity Certificate, Warning: Electrical Hazard, ClnROA Label, Barcode. MOREGO SOLAR.
In the background of each solar panel, there is a label pasted by the original factory, which clearly marks the voltage, current, certification logo and other information.

LONGi 650W Bifacial Solar Panel, LR7-72HYD - High-Efficiency Monocrystalline Silicon Module with Low Reflection Coating, Ideal for Residential and Commercial Rooftop Installations.
Barcode is posted on the Frame of each solar panel. You can use the barcode to check the authenticity and Grade of the solar panel on the LONGI official website.

LonGi 650W Solar Panel (Bifacial LR7-72HYD) features advanced technology with high-efficiency monocrystalline silicon cells, achieving up to 21.1% efficiency and increased energy output.
The factory will update the packaging style at any time, please use the latest version.

High-efficiency monocrystalline silicon photovoltaic module for optimal energy harvesting with LonGi 650W bifacial LR7-72HYD solar panel, designed for maximum power output and durability.
This is loading 40 'HQ containers, usually 2 pallets stacked up and down into the container.



