Why not use the sun's energy to generate free, endless power and enjoy the freedom of being off the grid?"This 180 watt solar panel is a high-efficiency, monocrystalline, 12-Volt system that features a professional grade aluminum frame and high transparency tempered glass laminate. It has a scratch resistant and anti-reflective coating to help utilize all natural lighting for peak conversion rates throughout the day and maximum charging. The Nature Power 180 Watt Solar Kit is rugged enough to be permanently mounted outdoors or even mounted for mobile applications such as RVs, boats, or for emergency preparedness back-up power systems. Includes 12 Amp charge controller and cables for DIY installation. Scratch resistant & anti-reflective coating helps utilize all natural lighting for maximum charging Rugged enough to be permanently mounted outdoors Includes 12 Amp charge controller & cables for DIY installation | RDK Products 180 Watt Monocrystalline Solar Panel with 12 Amp Charge Controller