Collection: PV Modules/Solar Panels

Enabling every structure to generate electricity, SELTRIK introduces photovoltaic (PV) building materials designed for a diverse range of buildings and environments such as villas, homestays, hotels, small towns, communities, and public buildings. Prioritizing safety, SELTRIK's PV building materials feature advanced safety functions alongside structural waterproofing and high-impact resistance.

A solar panel is a device comprised of multiple solar cells arranged in parallel or series alignment to capture sunlight and generate direct current (DC). It is also referred to as a Photovoltaic (PV) module. The term "photovoltaic" originates from the Latin language,where 'photo' means 'light,' and 'voltaic' means 'electricity,' illustrating the generation of electricity from light.

Solar panels  consist of an assembly of solar cells enclosed in a frame and shielded by glass,  offering a clean and renewable energy source. They contribute to a reduction in carbon emissions, lower electricity bills for homeowners, and boast a life expectancy of 25-30 years.

Solar Panels positioned on the rooftops of buildings are commonly referred to as solar rooftop systems. These installations take place in residential, commercial, and industrial areas, encompassing various structures like homes, offices, hospitals, schools, hostels, hotels, warehouses, cold storages, flour mills, and more. In a bid to encourage the adoption of solar panels in the residential sector, the Indian government is offering a subsidy of up to 40%. A solar ground-mounted installation involves setting up solar panels on the ground instead of rooftops or other elevated structures. In this configuration, solar panels are typically mounted on frames or structures that are securely anchored to the ground. This approach is commonly used in open spaces, fields, or areas with ample land availability. Solar ground-mounted installations are versatile and suitable for various applications, including utility-scale solar farms, commercial solar projects, and large-scale industrial installations. They offer advantages such as optimal positioning for sunlight exposure and ease of maintenance due to accessibility.

How it works?

Solar energy is generated through the conversion of sunlight into electricity. Modules generate electricity through the photovoltaic effect. In this process, solar cells within the modules absorb sunlight and convert it into electricity. The solar cells are typically made of semiconductor materials, such as silicon. When sunlight strikes the cells, it excites electrons within the semiconductor, creating an electric current. This flow of electrons is then captured and harnessed as usable electrical energy. The arrangement of multiple solar cells within a module, connected in series or parallel, enhances the overall electricity production from sunlight.

Types of Solar Modules

In the Indian solar market, there are typically three types of solar panels: Polycrystalline solar panels, Monocrystalline solar panels, and Bifacial solar panels.

  • Monocrystalline Solar Panels

Monocrystalline solar panels are a type of photovoltaic (PV) module known for their high efficiency and sleek appearance. These panels are made from a single crystal structure, typically using high-purity silicon. The manufacturing process involves cutting cylindrical ingots into thin wafers, which results in a more uniform and efficient solar cell.

Overall, Monocrystalline solar panels are a popular choice for those seeking high-efficiency solar solutions with a focus on space optimization and aesthetic appeal, even though they come with a higher upfront cost.

The installation of Monocrystalline solar panels enhances power generation efficiency within compact spaces. These panels are available in various capacities, ranging from 50W to 550W. However, it's worth noting that the price range of Monocrystalline solar panels is higher compared to Polycrystalline solar panels.

  • Polycrystalline Solar Panels

Polycrystalline solar panels are a type of photovoltaic (PV) module that is widely used for harnessing solar energy. These panels are made from multiple crystalline structures, as opposed to monocrystalline panels that consist of a single crystal structure. Polycrystalline panels are known for their cost-effectiveness and versatility.

  • Bifacial Solar Panels 

Bifacial solar panels are a type of photovoltaic module designed to capture sunlight from both the front and rear sides. Unlike traditional solar panels that only utilize the sunlight received on the front side, bifacial panels can generate electricity from reflected sunlight on their rear side.

Bi-Facial vs. Monocrystalline vs. Polycrystalline Solar Panel


Bi-Facial Panels

Monocrystalline Panels

Poly Crystalline Panels



High efficiency 19-22%

Less efficiency 14-17%

Design & Looks

Made of solar bi- facial cells

Made of single silicon cells – all cells are black in color

Made of multiple silicon cells – looks blueish in color


Performs 25% max

Performs 30% better even in low light & same space

Low efficiency in cloudy weather


Less Degrade in Long Time

Less Degrade in Long Time

Max. Degrade in Long Time


Occupies less rooftop space

Occupies less rooftop space

Takes more space


Competitive Expensive Relatively low price


What is the quantity of solar panels required to power a household?

Many homeowners are opting for solar systems due to their cost-effectiveness and reduced electricity bills. Standalone houses, in particular, are increasingly adopting solar power to alleviate high monthly electricity expenses. In the case of a 3-4 bedroom house with appliances like a refrigerator, washing machine, 3-4 lights/bulbs, fans, iron, etc., a set of four seltrik solar panels with a 22% efficiency level is deemed sufficient. Typically, a 2.5 kVA Seltrik solar  system, comprising oneSeltrik inverter and two Tall tubular batteries, proves to be adequate for meeting the energy needs of such households.

Maintenance of Solar Panels:

Solar panels are inherently low-maintenance products, yet regular cleaning is crucial to eliminate accumulated dust particles. A cleaner solar panel has the potential to generate up to 25% more power. Fortunately, the cost of maintaining solar panels is minimal, typically hovering around zero or a few hundred rupees per year. Most solar panels are equipped with silicon cells that are laminated and framed, ensuring longevity and requiring less maintenance. To enhance their lifespan and preserve efficiency, it is imperative to clean and wash solar panels regularly.

When Cleaning Solar Panels:

Ensure they are not shaded, maximizing exposure to sunlight.

Use soft cloths, along with a mixture of shampoo or detergent for effective cleaning.

Clean in a manner that avoids scratching the glass surface, preserving the integrity of the solar panels.

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The highest price is Rs. 18,999.00

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