LONGi 650W Monofacial Solar Panel

LONGi 650W Monofacial Solar Panel Overview

The LONGi 650W Monofacial Solar Panel is a high-output solar module designed for installations that require substantial power generation from individual panels. Part of the Hi-MO X10 Explorer series, this model combines BC-cell technology with TaiRay wafer technology and offers a module efficiency of 24.1%.

Its 650W rated output makes it suitable for residential rooftops, commercial buildings, industrial projects and larger solar installations where efficient use of mounting space is important. The monofacial design generates solar power primarily from the front side, making it suitable for conventional solar mounting arrangements.

The module features 3.2mm coated tempered glass, an anodized aluminium alloy frame and an IP68-rated junction box with three bypass diodes. These construction features should be considered alongside the mounting structure, environmental conditions and electrical requirements of the installation.

For solar projects in Pakistan, panel temperature characteristics, string voltage, inverter compatibility and installation quality are important factors when planning a system. Correct system design helps the module operate within its specified electrical and mechanical limits.

Key Features and Benefits

650W High Power Output

The 650W rated power output allows each module to contribute substantial DC capacity to a solar array. Compared with lower-wattage modules, a higher-output panel can reduce the number of panels required for a particular target capacity, depending on the available space and system design.

For commercial and industrial installations, the number of panels, mounting arrangement, cable routing and inverter specifications should be assessed together before finalising the project.

24.1% Module Efficiency

With 24.1% module efficiency, the LONGi 650W Monofacial Solar Panel converts a high proportion of the sunlight reaching its surface into electrical power under standard test conditions.

Higher module efficiency can be useful on rooftops where installation space is limited. Actual energy generation depends on sunlight, panel orientation, shading, operating temperature, dust accumulation and the performance of the complete solar system.

BC-Cell and TaiRay Wafer Technology

The panel uses BC-cell technology alongside TaiRay wafer technology. These technologies form part of the module’s design, with an emphasis on product reliability and energy generation performance.

For buyers, the important considerations include rated power, module efficiency, degradation characteristics, electrical compatibility and warranty coverage.

Low Power Degradation

The panel has a stated first-year power degradation of less than 1%, followed by 0.35% annual power degradation from year two through year thirty.

This degradation profile supports long-term power output planning. Actual electricity generation will vary with installation conditions, sunlight, temperature, soiling and system maintenance.

Durable Module Construction

The panel features 3.2mm coated tempered glass, an anodized aluminium alloy frame and an IP68-rated junction box with three diodes.

Its maximum static loading ratings are 5400Pa on the front side and 2400Pa on the rear side. The mounting structure must be appropriately designed for the site’s environmental conditions and installation requirements.

Best For

The LONGi 650W Monofacial Solar Panel can be considered for:

• Residential solar systems where higher-wattage modules suit the available roof space.
• Commercial rooftops requiring substantial installed solar capacity.
• Industrial solar projects with appropriately engineered mounting structures.
• Large solar installations where module quantity and string configuration need careful planning.
• Solar installers and dealers looking for a high-efficiency module with defined electrical characteristics.
• Projects focused on long-term output, supported by the panel’s stated degradation profile and performance warranty.

Final suitability depends on the inverter’s voltage and current limits, string configuration, mounting dimensions and site conditions.

When Another Solar Panel May Be Better

This panel may not be suitable for every installation.

• Restricted mounting space: Its physical dimensions may not fit a roof or mounting structure designed for smaller modules.
• Different electrical requirements: The inverter or string configuration may have voltage and current limits that restrict the installation design.
• Smaller projects: A lower-output module may be more practical for systems with limited space or specific capacity requirements.
• Special mounting conditions: The structure must accommodate the panel’s dimensions, weight and applicable mechanical loads.

A qualified installer should verify the electrical and physical requirements before selecting the final panel configuration.

Cell and Module Technology

The LONGi 650W Monofacial Solar Panel uses BC-cell technology and TaiRay wafer technology. Its monofacial construction is intended for conventional installations where front-side solar generation is the primary consideration.

The module contains 144 cells arranged in a 6 × 24 orientation. Its rated output and efficiency support high-output solar arrays while helping buyers plan module quantity and available installation space.

The panel uses single-glass construction with 3.2mm coated tempered glass and an anodized aluminium alloy frame. These features should be considered alongside mounting compatibility, handling requirements and the installation environment.

Technical Specifications

General Specifications

• Brand: LONGi
• Series: Hi-MO X10 Explorer
• Model Number: LR7-72HVH-650M
• Rated Power: 650W
• Module Type: Monofacial
• Cell Technology: BC-Cell
• Module Efficiency: 24.1%
• Cell Orientation: 144 cells (6 × 24)
• Power Tolerance: 0 to +3%

Electrical Specifications at STC

• Maximum Power (Pmax): 650W
• Open-Circuit Voltage (Voc): 53.90V
• Short-Circuit Current (Isc): 15.29A
• Voltage at Maximum Power (Vmp): 44.56V
• Current at Maximum Power (Imp): 14.59A

Electrical Specifications at NOCT

• Maximum Power: 495W
• Open-Circuit Voltage: 51.23V
• Short-Circuit Current: 12.28A
• Voltage at Maximum Power: 42.35V
• Current at Maximum Power: 11.69A

Mechanical Specifications

• Dimensions: 2382 × 1134 × 30mm
• Weight: 28.5kg
• Glass: Single glass, 3.2mm coated tempered glass
• Frame: Anodized aluminium alloy
• Junction Box: IP68, three diodes
• Output Cable: 4mm²
• Maximum Series Fuse Rating: 25A

Operating and Protection Parameters

• Maximum System Voltage: 1500V DC (IEC)
• Operating Temperature: −40°C to +85°C
• Nominal Operating Cell Temperature: 45 ± 2°C
• Protection Class: Class II
• Fire Rating: IEC Class C
• Maximum Front-Side Static Loading: 5400Pa
• Maximum Rear-Side Static Loading: 2400Pa
• Hailstone Test: 25mm hailstone at 23m/s

Temperature Coefficients

• Temperature Coefficient of Pmax: −0.260%/°C
• Temperature Coefficient of Voc: −0.200%/°C
• Temperature Coefficient of Isc: +0.050%/°C

Performance and Degradation

The LONGi 650W Monofacial Solar Panel is designed to maintain power output over an extended service period. Its degradation profile is important for customers evaluating the long-term performance of a solar installation.

• First-Year Power Degradation: Less than 1%
• Annual Degradation from Year 2 to Year 30: 0.35%
• Power Output at Year 30: 88.85% under the stated linear power warranty profile

These figures help buyers understand the panel’s long-term warranted output. They do not guarantee a specific amount of electricity generation, which depends on sunlight, temperature, shading, soiling, mounting and overall system performance.

The −0.260%/°C temperature coefficient of Pmax indicates that maximum power decreases as cell temperature rises above the reference temperature, all else being equal. Proper mounting ventilation and suitable installation practices are important in Pakistan’s hot summer conditions.

Performance Considerations for Pakistan

Solar panels in Pakistan may operate under high temperatures, dust exposure and seasonal changes in sunlight. These conditions make correct panel selection and installation important for long-term system performance.

The LONGi 650W Monofacial Solar Panel has an operating temperature range of −40°C to +85°C and a Pmax temperature coefficient of −0.260%/°C. Actual output during hot weather depends on cell temperature, airflow, sunlight and installation conditions.

For a well-planned solar installation:

• Install the panels at a suitable tilt and orientation.
• Allow appropriate ventilation beneath the modules.
• Clean the panel surface according to local dust conditions and safe maintenance practices.
• Minimise shading from buildings, trees and other obstructions.
• Ensure the mounting structure supports the module’s dimensions and weight.
• Check string voltage and current against the inverter’s permitted operating limits.

Correct system design helps reduce avoidable performance losses and supports reliable operation.

LONGi 650W Monofacial Solar Panel Price in Pakistan

The LONGi 650W Monofacial solar panel price in pakistan is an important consideration for customers planning a residential, commercial or industrial solar installation.

The current price of the LONGi 650W Monofacial Solar Panel in Pakistan is Rs. 27,462.50 per panel.

The overall project cost depends on the number of panels required, mounting structure, inverter capacity, cables, protection equipment and installation. Dealers and installers planning bulk purchases can contact Hajvery Solar Energy to discuss quantity requirements and current availability.

Customers in Lahore and other parts of Pakistan should confirm stock availability and applicable warranty arrangements before placing an order.

Tier 1, A-Grade and Product Authenticity

When buying a solar panel, customers should verify the exact model, serial information, physical condition and applicable warranty.

The terms Tier 1 and A-Grade should not be treated as automatic proof of an individual panel’s condition or authenticity. Buyers should request appropriate product verification and confirm the seller’s warranty terms.

Before installation, inspect the delivered panel for visible damage to the glass, frame, junction box and cables. Keep the invoice and relevant serial information for future warranty enquiries.

Hajvery Solar Product Verification

At Hajvery Solar Energy, buyers can enquire about the LONGi 650W Monofacial Solar Panel and confirm product details before ordering.

Before purchasing, check:

• The exact model number and rated power.
• The panel’s physical condition and serial information.
• The applicable product and performance warranty.
• Compatibility with the planned inverter and string configuration.
• The current price and stock availability.

For a technically suitable installation, the module’s voltage, current, maximum system voltage and temperature characteristics should be assessed against the selected inverter and system design.

You can also check your LONGi 650W Monofacial 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 Monofacial Solar Panel verification.

Warranty

The LONGi 650W Monofacial Solar Panel has two distinct warranty provisions:

• 15-year Materials and Processing Warranty: Covers applicable materials and processing under the relevant warranty terms.
• 30-year Extra Linear Power Output Warranty: Provides long-term warranted power output, with the stated output level reaching 88.85% at year thirty under the applicable warranty profile.

These are separate warranty provisions and should not be confused with one another. Buyers should confirm the applicable warranty terms, eligibility, claim procedure and required purchase records with the seller before ordering.

Frequently Asked Questions

What is the LONGi 650W Monofacial Solar Panel price in Pakistan?

The current price of the LONGi 650W Monofacial Solar Panel in Pakistan is Rs. 27,462.50 per panel. Confirm current availability and any quantity-based pricing with Hajvery Solar Energy before purchase.

What is the efficiency of the LONGi 650W Monofacial Solar Panel?

The panel has a maximum module efficiency of 24.1%, helping it generate substantial power relative to its surface area under standard test conditions.

What is the exact model number?

The model number is LR7-72HVH-650M, from the LONGi Hi-MO X10 Explorer series.

Is the LONGi 650W panel monofacial?

Yes. This is a monofacial solar panel, designed primarily to generate electricity from the front side.

What are the dimensions and weight of this panel?

The panel measures 2382 × 1134 × 30mm and weighs 28.5kg. The mounting structure and handling arrangements should accommodate these dimensions and weight.

What are the maximum power voltage and current?

At standard test conditions, the panel has a maximum power voltage of 44.56V and a maximum power current of 14.59A. These values should be checked against inverter and string-design limits.

What warranty does the LONGi 650W Monofacial Solar Panel have?

It has a 15-year Materials and Processing Warranty and a 30-year Extra Linear Power Output Warranty. Confirm the applicable terms and claim requirements before purchase.

Is this panel suitable for solar installations in Pakistan?

It can be considered for residential, commercial and industrial solar projects in Pakistan. Final suitability depends on mounting space, inverter compatibility, system voltage and current limits, shading, temperature and installation design.

Buy LONGi 650W Monofacial Solar Panel from Hajvery Solar Energy

Choose Hajvery Solar Energy for enquiries about the LONGi 650W Monofacial Solar Panel, product specifications and solar system requirements.

Our team can help buyers review the relevant panel specifications and consider inverter compatibility before purchase. Customers should confirm availability and warranty arrangements before placing an order.

For more options, visit LONGi Solar Panels in Pakistan.