LONGi 590W Monofacial Solar Panel
₨23,600.00
The LONGi 590W Monofacial Solar Panel is a high-output solar module designed for residential, commercial and industrial solar installations. With 590W rated power and 22.8% module efficiency, it delivers substantial power from a single panel. Its single-glass construction, anodized aluminium frame and low annual power degradation make it a practical option for projects where dependable long-term solar generation and efficient use of installation space are important. The module is suitable for professionally designed solar systems that meet its voltage and current requirements.
Quick Highlights
- Brand: LONGi
- Rated Power: 590W
- Model: LR5-72HTH-590M
- Module Type: Monofacial
- Module Efficiency: 22.8%
- Cell Configuration: 144 cells (6 × 24)
- Maximum System Voltage: 1500V DC
- Product Warranty: 15 years for materials and processing
- Performance Warranty: 25 years for linear power output
LONGi 590W Monofacial Solar Panel Overview
The LONGi 590W Monofacial Solar Panel is designed for solar projects that require high power output from individual modules. Its 590-watt capacity, 144-cell configuration and 22.8% efficiency make it suitable for residential rooftops, commercial buildings and larger solar installations where panel output and available space are important considerations.
This module uses a single-glass construction with 3.2mm coated tempered glass and an anodized aluminium alloy frame. Its physical design supports installation in appropriately engineered mounting structures, while the junction box carries an IP68 protection rating.
For installers and system designers, the panel’s electrical characteristics are important when configuring strings and selecting an inverter. The open-circuit voltage, operating current and maximum system voltage must be considered alongside the inverter’s permitted input limits.
Its long-term power warranty and low stated degradation rates also help buyers assess the module’s expected performance over its service life.
Key Features and Benefits
590W High Power Output
With a 590W rated output, the panel can contribute substantial capacity to a solar array using fewer modules than a lower-wattage panel would require for the same nominal array capacity. The final panel count depends on the required system size, available installation area and inverter design.
22.8% Module Efficiency
The module has an efficiency rating of 22.8%. Higher module efficiency can help generate more rated power from a given panel area, which is useful when roof space is limited. Actual electricity production depends on sunlight, temperature, shading, orientation and installation quality.
Monofacial Solar Generation
The panel is monofacial, meaning it is designed to generate electricity primarily from its front surface. It is suitable for conventional rooftop installations and other mounting arrangements designed around front-side solar generation.
Low Power Degradation
The panel has a stated first-year power degradation of less than 1.5%, followed by 0.40% annual degradation from years 2–25. These figures help buyers evaluate its long-term power performance.
Durable Module Construction
The panel features 3.2mm coated tempered glass, an anodized aluminium alloy frame and an IP68-rated junction box. It also has a front-side maximum static loading rating of 5400Pa and a rear-side rating of 2400Pa. Proper mounting and installation remain essential.
Best For
The LONGi 590W Monofacial Solar Panel is suitable for:
- Residential rooftop solar systems.
- Commercial buildings and industrial facilities.
- Solar projects requiring high-wattage modules.
- Installations where roof area needs to be used efficiently.
- Solar installers designing systems around the panel’s electrical specifications.
- Buyers looking for a module with a long-term linear power output warranty.
When Another Panel May Be Better
This panel may not be the right choice when:
- The installation requires a smaller physical module.
- The inverter cannot accommodate the panel’s voltage or current.
- The project specifically requires rear-side solar generation.
- The mounting structure cannot support the module’s dimensions and weight.
- The designed string configuration exceeds the inverter’s electrical limits.
Selecting a panel based only on wattage is not sufficient. The full electrical design and mounting requirements should be checked before purchase.
Cell and Module Technology
The LONGi 590W Monofacial Solar Panel belongs to the Hi-MO 6 Scientist (V2) product series. Its 144-cell layout is arranged in a 6 × 24 configuration.
The monofacial design focuses on front-side energy generation rather than relying on rear-side generation. Its single-glass construction combines coated tempered glass with an aluminium alloy frame.
For installers, the most important considerations are the panel’s rated output, operating voltage, current, temperature behaviour and physical dimensions. These factors help determine the suitable string arrangement and mounting layout.
Technical Specifications
| Specification | Value |
|---|---|
| Brand | LONGi |
| Exact Model | LR5-72HTH-590M |
| Series | Hi-MO 6 Scientist (V2) |
| Rated Power | 590W |
| Module Type | Monofacial |
| Cell Configuration | 144 (6 × 24) |
| Module Efficiency | 22.8% |
| Power Output Tolerance | 0 to +3% |
| Voltage at Maximum Power (Vmp) | 44.36V |
| Current at Maximum Power (Imp) | 13.31A |
| Open-Circuit Voltage (Voc) | 52.51V |
| Short-Circuit Current (Isc) | 14.33A |
| Maximum System Voltage | 1500V DC |
| Maximum Series Fuse Rating | 25A |
| Temperature Coefficient of Pmax | -0.290%/°C |
| Temperature Coefficient of Voc | -0.230%/°C |
| Temperature Coefficient of Isc | +0.050%/°C |
| First-Year Power Degradation | Less than 1.5% |
| Annual Power Degradation, Years 2–25 | 0.40% |
| Glass | Single glass, 3.2mm coated tempered glass |
| Frame | Anodized aluminium alloy |
| Junction Box | IP68 |
| Dimensions | 2278 × 1134 × 30mm |
| Weight | 27.2kg |
| Operating Temperature | -40°C to +85°C |
| Nominal Operating Cell Temperature | 45 ± 2°C |
| Protection Class | Class II |
| Fire Rating | IEC Class C |
| Product Warranty | 15 years for materials and processing |
| Performance Warranty | 25 years for linear power output |
Performance and Degradation
Long-term power retention is an important factor when evaluating a solar panel. The LONGi 590W Monofacial Solar Panel has a first-year degradation rate below 1.5% and a stated annual degradation rate of 0.40% for years 2–25.
The panel’s -0.290%/°C temperature coefficient for maximum power describes how its maximum power changes with cell temperature relative to the reference test condition. Solar modules generally produce less power as their operating temperature rises, so adequate ventilation and suitable mounting are important in hot climates.
Actual energy production varies with sunlight availability, dust accumulation, shading, system orientation, operating temperature and maintenance.
Performance Considerations for Pakistan
Pakistan’s high summer temperatures make module temperature behaviour an important part of solar system planning. The panel’s temperature coefficient helps installers assess the potential effect of heat on power output.
Dust and dirt can also reduce solar generation. Periodic inspection and cleaning, using suitable methods, can help maintain performance. Roof-mounted modules should have appropriate mounting clearance and ventilation.
Before installation, confirm the panel’s Voc, Vmp, Isc and Imp against the selected inverter’s maximum DC voltage, MPPT voltage range and current limits. String calculations should account for the expected lowest temperatures, because open-circuit voltage can rise in cold conditions.
LONGi 590W Monofacial Solar Panel Price in Pakistan
The LONGi 590W Monofacial solar panel price in pakistan is an important consideration for buyers comparing high-wattage solar modules for home, commercial and industrial projects.
The current price of the LONGi 590W Monofacial Solar Panel in Pakistan is Rs. 23,600 per panel.
The overall solar project cost depends on the number of panels, mounting structure, inverter, cables, protection equipment, installation labour and other system components. Dealers and installers planning bulk purchases can contact Hajvery Solar Energy to discuss current availability and quantity requirements.
LONGi Solar 590W Panel: Product Authenticity and Verification
Before purchasing the LONGi 590W Monofacial Solar Panel, confirm the exact model LR5-72HTH-590M and check the product’s serial information and applicable warranty arrangements.
Installers should also verify the panel’s electrical ratings and ensure that the proposed inverter and mounting structure are suitable. Correct model identification helps prevent confusion when ordering modules or preparing installation designs.
Hajvery Solar Energy can assist customers with product enquiries and the checks available at the time of purchase.
You can verify your LONGi 590W Monofacial Solar Panel through Hajvery Solar Energy before purchasing. Check the exact model number and product details to help ensure you are buying the intended panel. The official link for panel verification is given below:
LONGi 590W Monofacial Solar Panel verification.
Warranty
The LONGi 590W Monofacial Solar Panel carries a 15-year warranty for materials and processing and a separate 25-year linear power output warranty.
These warranties cover different aspects of the product. The materials and processing warranty relates to the applicable product coverage, while the linear power output warranty concerns the module’s warranted power performance over time. Buyers should confirm the applicable warranty terms, claim process and conditions before ordering.
Before You Buy
Before selecting this panel, check the following:
- Confirm the exact model and rated output.
- Check inverter voltage and current compatibility.
- Calculate the correct number of panels per string.
- Verify the inverter’s maximum DC voltage and MPPT limits.
- Ensure the mounting structure accommodates the panel’s dimensions and weight.
- Plan suitable ventilation and cleaning access.
- Confirm product availability and applicable warranty terms.
Frequently Asked Questions
1. What is the LONGi 590W Monofacial Solar Panel price in Pakistan?
The current price of the LONGi 590W Monofacial Solar Panel in Pakistan is Rs. 23,600 per panel. Contact Hajvery Solar Energy to confirm current availability and bulk-order requirements.
2. What is the exact model number?
The exact model is LR5-72HTH-590M, from the Hi-MO 6 Scientist (V2) series.
3. What is the efficiency of this solar panel?
The module has a rated efficiency of 22.8%, which helps make effective use of available installation space.
4. Is this a monofacial solar panel?
Yes. It is a monofacial solar panel, designed primarily for front-side solar generation.
5. What are the dimensions and weight?
The panel measures 2278 × 1134 × 30mm and weighs 27.2kg. The mounting structure should be designed to accommodate these measurements and the relevant installation loads.
6. What is the maximum system voltage?
The panel has a maximum system voltage rating of 1500V DC. The permitted string voltage must also comply with the inverter rating and applicable installation requirements.
7. What warranty does the panel carry?
It has a 15-year materials and processing warranty and a separate 25-year linear power output warranty. Applicable terms and claim requirements should be confirmed before purchase.
8. Where can buyers find the longi solar 590w datasheet?
Buyers looking for the longi solar 590w datasheet can use the official LONGi website to locate technical information for the exact model, LR5-72HTH-590M. Always match the model number before using electrical specifications for system design.
Buy LONGi 590W Monofacial Solar Panel from Hajvery Solar Energy
Hajvery Solar Energy supplies solar products for residential, commercial and industrial requirements. Contact the team to enquire about the LONGi 590W Monofacial Solar Panel, confirm availability and discuss your project’s panel and inverter requirements.
Visit the store at 280K Block J-1, Johar Town, Lahore, or contact the team for product enquiries and delivery information.
For mor options, View LONGi Solar Panel In Pakistan.
Hajvery Solar Energy provides nationwide delivery across Pakistan for all major solar energy products. We ensure safe, reliable, and timely delivery to residential, commercial, and industrial locations.
Products Available for Delivery
We deliver the following products all over Pakistan:
-
Solar Panels
-
Solar Inverters
-
VFDs (Variable Frequency Drives)
-
Lithium Batteries
-
Solar Accessories & Related Equipment
Contact for Orders & Delivery
-
For Solar Panels and VFDs:
Chat on WhatsApp
-
For Solar Inverters & Li-Batteries:
Chat on WhatsApp
Our team will guide you regarding product availability, pricing, delivery timelines, and logistics based on your location.

Reviews
There are no reviews yet.