Due to the energy crisis, the Russian-Ukrainian war and other factors, the use of electricity is very short in many countries and regions around the world, the lack of gas supply in Europe, the cost of electricity in Europe is expensive, the installation of photovoltaic panels has become a solution to the problem of household and commercial electricity investment projects!
So how do you choose the best quality solar panels and suppliers? In this article, we will analyze a number of factors to help you choose the right PV panel quickly.
PV Panel Efficiency
Industry efficiencies are typically in the range of 16-18%. Some of the best PV manufacturers can achieve 21-23% efficiency, which is a sign of the manufacturer's technological level, which means that the same installed area can generate more power per day, and the same amount of energy can be used for the same project.
Warranty years
Generally, the products of regular manufacturers are durable and offer a warranty of more than 5 years, while quality manufacturers offer a warranty of more than 10 years. For example,lesso solar photovoltaic panels offer a 15-year warranty, which means better quality and technical and after-sales service.
Reliable Brand or Manufacturer
Choose the manufacturer of PV panels as much as possible to choose a large-scale manufacturers, strong assets, listed companies have a strong R & D team of solar panels tend to be more reliable!
How to choose the power of a solar panel?
Solar panels for home usually choose the size of 390-415w, the voltage and current of such PV panels in series can be applied to most of the string inverters, his weight and size for easy transportation, installation, general household small systems can be 8-18 panels in series into a 3kw-8kw PV arrays, usually a string of photovoltaic panels in the optimal efficiency of the 16-18, if you need to access to more panels, you can choose more than one PV interface inverter. If more PV panels need to be connected, multiple inverters with PV interfaces can be selected. Family PV projects are connected in 1 or 2 series, and do not need to use a converter box.
Commercial system industrial PV system is usually used 550W PV panels, 585W 670W large size PV panels are often used in commercial PV projects, such as large-scale power stations, industrial rooftop PV projects, etc., usually the number of parallel connection is larger, the parallel connection will be centralized access to the combiner box.
Aluminum frame or all-black PV panels?
Usually the appearance of the PV panels is with silver lines of the aluminum frame, while the European market will generally choose a more high-end, beautiful black panels, the same all-black PV panels price will be slightly higher, in the pursuit of cost-effective regions or aluminum frame for the mainstream!
Safety inspection report
Reliable PV manufacturers will have authoritative certificates, such as ISO9001 ISO14001, CE TUV and other safety test certificates, we try to choose the manufacturers with authoritative certificates when selecting, third-party testing can guarantee the quality of our products.
Hope this article help and you can get good benefit from the solar
