The Grape Solar 100-Watt Off-Grid Solar Panel Kit is ideal for a variety of DC applications, including RVs, boats, 12 Volt battery charging, small pumps, and LED lights. Made with high efficiency crystalline solar cells for years of service, this solar kit is easy to install and virtually maintenance free. An anodized aluminum frame and a sealed junction box make the panel weatherproof for outdoor use. A two diode bypass minimizes power drop caused by shade. You can easily add additional panels for more power. This system will provide approximately 300 Watt Hours or 25 Amp Hours of charge per day. The kit includes: 1pc 100-Watt Polycrystalline solar panel a 35 Amp Xantrex charge controller, cables and manual.