The article introduces visual inspection methods for ordinary people to distinguish the quality of photovoltaic modules and inverters: photovoltaic modules can be inspected by nameplates (power, tolerance), borders, color differences, printed circuits, and barcodes; The inverter can view the heat sink, wiring terminals, and also pay attention to fan noise. At the same time, it is reminded that you get what you pay for. It is recommended to choose well-known brands and reliable installers.

The article introduces four installation methods for solar photovoltaic modules (sloped roofs, flat roofs, sun-facing roofs, and trendy options), detailing the characteristics and advantages of each method. It also addresses FAQs such as product selection, and highlights Demuda Company's solar-related products, 18 years of industry experience, superior service, stable quality, and extensive cooperation and sales network, showcasing its professionalism.

This article introduces a fast calculation method for household inverter power generation, with the core formula being actual power generation=total photovoltaic power x local effective sunshine duration x system comprehensive efficiency, and provides parameter explanations and calculation examples. At the same time, it is explained that the power generation can be directly viewed through the inverter display screen or intelligent APP, and tips for optimizing power generation such as environment, maintenance, and power matching are also provided.

The main types of portable power supplies for vehicles are single-phase, phase separated, and three-phase power supply. Single phase adaptation for most civilian 110V/220V worldwide, lightweight, easy to use, and low cost, making it the mainstream worldwide. Phase separation is only suitable for 120V/240V dual voltages such as those of the United States, Canada, and Mexico, and the area is limited. Three phase is used for industrial high-power, bulky and expensive, and is not suitable for portable scenarios. The selection focuses on civilian portability, compatibility, and cost, with single-phase as the optimal solution.

P-type PERC cells were once mainstream, but their efficiency, attenuation, and low light performance have obvious shortcomings. N-type TOPCon/HJT has become the mainstream of the new generation, with advantages such as high efficiency, good weak light, low attenuation, strong weather resistance, high double-sided power generation gain, and low-carbon easy recycling. It is suitable for multiple scenarios, improves power plant revenue and lifespan, and promotes the efficient and low-carbon transformation of the photovoltaic industry.