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FAQ

The weight of a solar cell can vary depending on its size and type, but on average, a standard-sized solar cell weighs around 6 ounces or 170 grams.
Is the solar cells factory in China good and trustworthy?
I can only say 50% of the solar cell factories in China are good, and they can meet your quality standard, while the other 50% of the solar cell factories are not very reliable.
The environmental impacts of solar cell production include the extraction of raw materials, such as silicon, which can contribute to deforestation and habitat destruction. The manufacturing process also requires a significant amount of energy, which may be sourced from fossil fuels and contribute to greenhouse gas emissions. Additionally, the disposal and recycling of solar panels can pose challenges, as some components contain harmful substances. However, it is important to note that the overall environmental benefits of solar energy, such as reduced greenhouse gas emissions and reliance on fossil fuels, outweigh these impacts.
The maximum efficiency achievable by a solar cell is determined by the Shockley-Queisser limit, which states that the theoretical maximum efficiency is around 33.7%. However, in practice, most commercially available solar cells have efficiencies ranging between 15% to 22%.
PV: the battery to the battery charge problem
I use the BUCK circuit, controlled by the microcontroller, the circuit is not too difficult, are ready, but the understanding of BUCK problems. See a lot of books are written on the battery can be constant pressure charging, feeling can not understand. Now I think they are probably wrong, the voltage across the battery in the BUCK circuit is out of control.
Solar cells can still perform well in areas with limited space for installation, thanks to advancements in technology. Compact and efficient solar panels are designed to maximize energy production even in small areas. Additionally, innovative installation techniques such as rooftop solar panels or solar canopies can help utilize available space effectively.
The efficiency of a solar cell is calculated by dividing the maximum power output of the solar cell by the total amount of solar energy it receives.
Solar cells may experience a decrease in performance in areas with high levels of bird droppings. The droppings can create a layer of dirt and debris on the surface of the solar cells, reducing their efficiency in converting sunlight into electricity. Regular cleaning and maintenance are necessary to ensure optimal performance in such areas.