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2) Power inverter cables: Toconnect with each piece of solar panels, and connect betweensolar pale and solar inverter.
The material of the solarpanel is determined. PET material, it is about 3-5 years; ETFEmaterial it is about 5-6 years; and monocrystalline silicon solarpanel is about 20-25 years.The ages of solar panels does not meanthat panels cannot work, actually it means that the service timeof the solar panel will decrease as its conversion efficiencydecays, and it may still work after these years, but comparingwith before, the power generation efficiency is only10-20%.
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