
WERCHTAY 300W 12V Monocrystalline Solar Panel for RV, Home, Camping, Caravan, Boat and off-Grid Power Systems
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The WERCHTAY 300W is a rigid monocrystalline solar panel built for RVs, boats, cabins and off-grid setups. It uses back-contact cells with a 10BB design and claims up to 26.5% efficiency, so it produces more power per square foot than common 100W and 200W panels. The aluminum frame and smooth front face are made to shed snow and dirt and hold up outdoors. Its 18.9V Vmp and 15.88A Imp suit a 12V system through a suitable charge controller, and at roughly 53 x 30 inches it needs real roof space.
In stockSold by WERCHTAY Official Store USReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
The WERCHTAY 300W is a rigid 12V monocrystalline solar panel for RVs, boats, trailers, caravans, camping and off-grid cabins or home power systems. It uses BC (Back Contact) cell technology, which removes the metal lines from the front of the cells. The panel's efficiency is rated at up to 26.5%.
The back of the panel has a 10BB design that helps it keep producing power on cloudy or low-light days. The front face is smooth, so it stays clean easily.
The panel has a tough aluminum frame built to stand up to heavy snow and strong winds. It is built to last for 25 years.












