Free Shipping Lifetime Customer Support 25 years Warranty Highlight:★ The long-lasting 200W monocrystalline solar cells and the waterproof design ensures that the panel can be used in all weather conditions.★ Solar panels are designed for industrial and professional applications using scratch-resistant anodized aluminum with a twin wall frame. The tough, sealed, aluminum frame will give you years and years of consistent, free power.★ 200 Watts Monocrystalline PV Panel is made with high conversion efficiency cells, it has an excellent performance in low-light environments.★ Easy Installation with pre-drilled hole. Corrosion-resistant aluminum frame for extended outdoor use. Suitable for Caravan, RV, Golf car, Electric car, Yacht, Boat, Tent or backpack, etc.★ High modules conversion efficiency. Grade A solar cell and IP67 Rated waterproof solar panel connectors. This solar panel has 5 years 95% output warranty, a 10-year 90% output warranty, and 25 years 80% output warranty. FeaturesMain Features:Solar Panel Frame: Aluminum Alloy.Solar Cells – Monocrystalline 72pcs 5×5 inches.Solar Glass-Tempered Glass.Very good and sustainable availability.The power output will remain at 90% or more.Packaging：10PCS x 200W Monocrystalline solar panelPackage Dimensions:64 x 33 x 2 inchPackage Weight:330LBSpecification FAQFrequently Questions Answer1. Can I connect 2 panels in series to make 48 volts and connect to my 60 amp charge controller? Dear Customer, it’s ok to have 2 panels in a series to make 48V, 60amps controller is oversized, and it’s wasting of resources, 20amps is ok, thanks.2. What do I need to run 5 panels? Dear Customer, you need to buy a solar controller, battery, inverter, solar panel cable, solar panel connector, and tray cable, thanks.3. Is the 200-watt single panel 24 volts or 12 volts? Dear Customer, it is a 24V panel.