The 20W 18V solar panel maintainer. 20W Solar Panel Feature：. Solar panel Working Power：20W. More efficient Monocrystalline solar cells, capture more solar energy efficiency of up to 22%. You can install the adjustable mount bracket through the pre-drilled holes on the back of the solar panel and place it on the ground, desktop, roof, wall etc. easily adjust the solar panel optimal angle to ensure the direct sunlight, it's easy and quick to install.
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