A roof solar monocrystalline module is a device that converts sunlight into electricity, and is usually installed on the roof of a building. It consists of multiple monocrystalline silicon solar cells arranged in a solid frame. Made from pure silicon crystals, these panels have highly efficient energy conversion capabilities. They are usually dark blue or black in appearance and have a high light absorption rate to maximize the energy of the sun's rays. When the sun shines, silicon crystals in solar panels absorb light energy. The light energy interacts with the electrons in the silicon crystal, exciting them into a high-energy state. These high-energy electrons generate electricity as electricity flows through the panel's wires. Rooftop solar monocrystalline modules can be widely used on the roofs of residential, commercial and industrial buildings for generating and supplying electricity demand. They can provide buildings with green, clean and sustainable energy while reducing energy costs and reliance on conventional energy sources.High conversion efficiency: solar monocrystalline silicon single-sided PERC modules adopt high-efficiency PERC technology, which makes the photoelectric conversion efficiency higher and can convert more solar energy into electrical energy. This means higher energy yields and improved power generation efficiency. Good low-light response performance: solar monocrystalline silicon single-sided PERC modules can still generate high output power under low-light conditions, which is very useful in cloudy days or under low-light conditions such as early morning and evening. Higher reliability: PERC technology enables solar monocrystalline silicon single-sided PERC modules to have better anti-attenuation performance, and can resist the influence of factors such as light, temperature and humidity on the panel. Therefore, these components have higher reliability and stability when used for a long time. Longer service life: Monocrystalline solar single-sided PERC modules are made of high-quality monocrystalline silicon materials and have a longer service life. This means they can remain highly capable for a long period of time and can continue to generate electricity. Installation flexibility: Solar monocrystalline silicon single-sided PERC modules usually have small size and weight, which makes them relatively easy to install on various types of roofs and grounds. At the same time, these components also have high mechanical strength and wind resistance, which can adapt to different installation environments.Q1: How could I buy the solar panel if there is no price in the website? A: You can send your inquiry to us about the solar panel you need, our sales person will reply you within 24 hours to help you make the order. Q2: How long is your delivery time and the lead time? A: Sample needs 2-3 days , generally it is 3-5 days if the goods are in stock, or 8-15 days if the goods are not in stock. Actually delivery time is according to order's quantity. Q3: How to proceed an order for solar panels? A: Firstly, let us know your requirements or application. Secondly, We will quote according to your requirements or our suggestions. Thirdly, you need to confirm the samples and places deposit for formal order. Fourthly, we will arrange the production. Q4: How long is the warranty period ? A: Our company guarantees that 15 Year Product Warranty and 25 Year Linear Power Warranty; if the product exceeds our warranty period,we will also provide you an appropriate paid service within a reasonable range. Q5: Can you do OEM for me? A: Yes, We can accept OEM, Please inform us formally before our production and confirm the design firstly based on our sample. Q6: How do you pack the products? A: We use standard package. lf you have special package requirements.we will pack based on your requirements, but the fees will be paid by customers. Q7: How to install and use the solar panels? A: We have the English teaching manual and videos; All the videos about every step of machine Disassembly, assembly, operation will be sent to our customers.