LONGi 650W Bifacial Solar Panel Overview

The LONGi 650W Bifacial solar panel price in pakistan makes this high-output solar module worth considering for residential, commercial and large-scale solar installations. The LONGi 650W Bifacial Solar Panel features Hi-MO X10 Guardian Anti-Glare technology, BC-cell technology and dual-glass construction. Moreover, its 650W rated power, 24.06% maximum module efficiency and 70 ± 5% bifaciality support high-output solar generation. The bifacial design can also capture sunlight from the rear side when the installation provides suitable conditions.

Its 650W rated output helps solar projects generate substantial power with fewer modules. In addition, the 24.06% maximum module efficiency helps make productive use of available installation space.

The bifacial design allows the panel to generate electricity from sunlight reaching both its front and rear surfaces. However, the additional energy depends on mounting height, ground reflectivity, surrounding surfaces, shading and installation layout.

Another important feature is the Guardian Anti-Glare design. Its low-reflection front glass helps reduce reflected glare in suitable applications, including selected residential areas, highways and airport-related environments.

When comparing the LONGi 650W Bifacial solar panel price in pakistan, buyers should consider more than the purchase cost. For example, module efficiency, electrical characteristics, installation requirements and warranty coverage all affect the overall value of a solar installation.

Key Features and Benefits

1. BC-Cell Technology

The panel uses BC-cell technology, which forms an important part of the Hi-MO X10 series design. This cell architecture contributes to the module’s high conversion efficiency and power output.

As a result, each installed panel can contribute substantial electricity generation. However, actual production still depends on sunlight, temperature, orientation, shading and overall system design.

2. Bifacial Energy Generation

A bifacial solar panel generates electricity from sunlight reaching both its front and rear surfaces. The LONGi LR7-72HVD-650M has a 70 ± 5% bifaciality rating.

Rear-side generation can increase when installers provide sufficient clearance and place the panel above a reflective surface. However, the additional energy varies with installation conditions. For instance, a dark roof with limited rear-side light may provide less benefit than a carefully designed ground-mounted system.

3. High Module Efficiency

With 24.06% maximum module efficiency, this panel suits projects where the available installation area needs to deliver substantial power.

Nevertheless, efficiency alone does not determine total electricity production. Panel orientation, local weather, operating temperature, cleaning and system losses also affect the final results.

4. Guardian Anti-Glare Design

The panel features high-transparency, low-reflection, anti-glare coated front glass. This design helps reduce reflected glare in suitable applications.

Consequently, buyers can consider it for residential surroundings and selected glare-sensitive sites. However, project-specific glare assessments and applicable aviation or road-safety requirements still apply wherever relevant.

5. Dual-Glass Construction

The module combines 2.0 mm anti-glare coated semi-tempered front glass with 2.0 mm semi-tempered rear glass. An anodized aluminium alloy frame supports the panel structure.

Furthermore, its maximum static loading ratings reach 5400 Pa on the front side and 2400 Pa on the rear side. Even with these ratings, installers must select suitable mounting hardware and follow appropriate installation practices.

Best For

The LONGi 650W Bifacial Solar Panel suits several types of solar projects, provided the installation meets its electrical and mechanical requirements.

• Residential solar installations with adequate mounting space and a suitable electrical design.
• Commercial rooftops where high module output helps make efficient use of the available area.
• Industrial solar projects that require high-output modules.
• Ground-mounted solar systems designed to benefit from rear-side light.
• Glare-sensitive locations where anti-glare characteristics matter.
• Solar installers and dealers seeking a high-efficiency bifacial module for suitable projects.

When Another Panel May Be Better

Although this module offers high output, it may not suit every installation.

• A roof with limited dimensions may require a smaller module.
• A mounting structure that cannot support the panel’s weight and dimensions may need redesigning.
• A system with strict inverter voltage or current limits requires electrical compatibility checks before purchase.
• A project with little rear-side illumination may gain limited additional energy from bifacial operation.
• A site with specific glare restrictions requires a suitability assessment before installation.

Therefore, select a panel according to the project’s electrical requirements, mounting conditions and available space rather than wattage alone.

Cell and Module Technology

The LONGi Hi-MO X10 Guardian Anti-Glare combines BC-cell technology, bifacial operation and dual-glass construction in a high-output module.

BC-cell technology forms part of the module’s cell architecture, while bifacial construction enables electricity generation from both sides. In addition, the anti-glare front glass helps reduce reflected glare in appropriate installations.

The module contains 144 cells arranged in a 6 × 24 configuration. Therefore, its combination of high rated power and module efficiency makes it worth considering for projects where each panel needs to contribute substantial output.

Technical Specifications

The electrical values use standard test conditions (STC). However, actual performance varies with operating conditions.

Performance and Degradation

The LONGi 650W module combines high rated output with 24.06% maximum module efficiency. Its maximum power temperature coefficient is -0.260%/°C. Therefore, power output decreases as cell temperature rises above the reference test temperature, assuming other conditions remain equal.

The specified power degradation figures are:

• First-year power degradation: 1%.
• Annual power degradation from years 2–30: 0.35%.
• Power output tolerance: 0 to +3%.

These figures help buyers evaluate the module’s expected long-term performance. Nevertheless, actual system production also depends on site conditions, maintenance, shading and other system components.

Performance Considerations for Pakistan

Pakistan’s summer temperatures, dust and strong sunlight make correct solar system design especially important. Installers should consider the following factors when planning a system with this panel.

High temperatures: The -0.260%/°C temperature coefficient matters when estimating output under hot operating conditions. Therefore, installers should account for operating temperature during system design.

Dust and cleaning: Dust accumulation reduces the sunlight reaching the cells. Regular, appropriate cleaning helps maintain production while protecting the glass and frame.

Mounting ventilation: Adequate airflow beneath the panel helps manage operating temperatures. As a result, the mounting design should allow suitable ventilation.

Bifacial installation: Rear-side clearance and surface reflectivity affect the additional energy available from the back of the module. Consequently, installers should evaluate the ground or roof surface before estimating bifacial gains.

Electrical design: String voltage, operating current, inverter limits and temperature-adjusted open-circuit voltage all require careful checks before installation.

Together, these considerations help installers design a system around the panel’s electrical characteristics rather than relying on wattage alone.

LONGi 650W Bifacial Solar Panel Price in Pakistan

The LONGi 650W Bifacial solar panel price in pakistan matters to homeowners, installers, dealers and commercial buyers planning a solar installation.

The current price of the LONGi 650W Bifacial Solar Panel in Pakistan is Rs. 27,527.50 per panel.

However, the final project cost also depends on the number of panels, mounting structure, inverter selection, cables, protection equipment, installation work and delivery arrangements.

When comparing the longi 650w bifacial solar panel price, buyers should also evaluate module efficiency, bifacial performance, installation conditions and warranty coverage. For bulk orders, dealers and installers can contact Hajvery Solar Energy to discuss current availability and quantity-based pricing.

Tier 1, A-Grade and Product Authenticity

When purchasing solar panels, buyers should distinguish between product specifications and the actual condition or authenticity of the supplied stock.

A-Grade condition requires confirmation for the specific panels being purchased. Buyers should not assume the grade from the brand name alone.

Similarly, buyers comparing solar products should check the exact model code, serial information, physical condition and applicable warranty. They should also match the LONGi 650W Bifacial Solar Panel with the planned system design to avoid electrical compatibility issues.

Hajvery Solar Product Verification

Before ordering, confirm the exact model LR7-72HVD-650M, panel condition and applicable warranty coverage.

For installers, checking the module’s electrical characteristics against the inverter’s maximum DC voltage, MPPT operating range and current limits is essential. In addition, the selected mounting structure must accommodate the panel’s dimensions and weight.

Hajvery Solar Energy can help buyers discuss product selection and solar system requirements before purchase.

You can also check your LONGi 650W Bifacial Solar Panel through the official product verification service. First, check the exact model number and product details to help ensure that you are verifying the intended panel.

Panel verification link:
LONGi 650W Bifacial Solar Panel verification.

Warranty

The LONGi Hi-MO X10 Guardian Anti-Glare panel has two distinct warranty periods:

• 15-year materials and processing warranty.
• 30-year warranty for extra linear power output.

These warranties cover different aspects of the product. Therefore, buyers should not treat them as interchangeable. Before purchasing, confirm the applicable terms, claim procedure and coverage conditions.

Before You Buy

Use this checklist before purchasing the LONGi 650W Bifacial Solar Panel:

• Confirm the exact model code and rated power.
• Check the inverter’s maximum DC voltage and MPPT current limits.
• Calculate the number of panels required for the planned system capacity.
• Check string voltage under the lowest expected operating temperature.
• Confirm that the mounting structure can support the module’s weight and dimensions.
• Consider rear-side clearance and surface reflectivity for bifacial generation.
• Assess whether the anti-glare design suits the installation site.
• Confirm product condition and applicable warranty terms.

Finally, ask a qualified solar installer to complete the string configuration and protection design.

Frequently Asked Questions

1. What is the LONGi 650W Bifacial Solar Panel price in Pakistan?

The current price is Rs. 27,527.50 per panel. Contact Hajvery Solar Energy to confirm availability and any quantity-based pricing.

2. What are the LONGi 650W Bifacial solar panel specifications?

The panel has 650W rated output, 24.06% maximum module efficiency, 70 ± 5% bifaciality and dimensions of 2382 × 1134 × 30 mm. Its model number is LR7-72HVD-650M.

3. What is the efficiency of the LONGi 650W panel?

Its maximum module efficiency is 24.06% under standard test conditions. However, real-world energy production depends on sunlight, temperature, orientation, shading and system losses.

4. Is the LONGi 650W panel bifacial?

Yes. The panel can generate electricity from both its front and rear sides. However, additional rear-side output depends on installation height, surface reflectivity and available light.

5. What is the LONGi 650W solar panel size?

The panel measures 2382 × 1134 × 30 mm and weighs 32.5 kg. Therefore, the mounting structure must accommodate its dimensions and loading requirements.

6. What warranty comes with this LONGi solar panel?

The panel has a 15-year materials and processing warranty and a separate 30-year warranty for extra linear power output. Buyers should confirm the applicable terms and claim requirements before purchase.

7. Is this panel suitable for residential and commercial solar systems?

Yes, it can suit residential, commercial and large-scale installations when the project meets its electrical and mechanical requirements. However, final suitability depends on available space, mounting conditions, inverter compatibility and the overall system design.

8. What should I check before buying this panel?

Confirm the exact model, panel condition, warranty coverage, inverter voltage and current limits, string configuration and mounting requirements. These checks help ensure that the panel suits the intended solar system.

Buy LONGi 650W Bifacial Solar Panel from Hajvery Solar Energy

Hajvery Solar Energy helps customers compare solar panel specifications and select products suited to their installation requirements. Whether you are planning a residential rooftop, commercial project or large-scale solar installation, check the panel’s electrical compatibility and mounting requirements before ordering.

For current availability, dealer enquiries and product information, contact Hajvery Solar Energy.

For more options, visit LONGi Solar Panels in Pakistan.