The Grape Solar 50-Watt Basic Off-Grid Solar Panel Kit is ideal for a variety of DC applications, including RVs, boats, 12-Volt battery charging 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. This system will provide approximately 150-Watt Hours or 12.5 Amp Hours of charge per average day. The kit includes: 1-Piece Grape Solar GS-Star 50-Watt polycrystalline solar panel, a 165-Watt Grape Solar PWM charge controller with USB outputs and DC load control, cables and manual. Polycrystalline panel with anodized aluminum frames and tempered glass for outdoor use and superior performance. An easy-to-read LED display on the charge controller shows charging current, discharge current and battery bank capacity. Dual USB ports on the charge controller for directly charging portable devices. Ideal for 12-Volt systems, requires another GS-star 50-Watt panel connected in series for use with 24-Volt systems. Kit comes with all cables and connectors for quick and easy setup. Battery not included; a minimum of one 12-Volt deep cycle battery is necessary using this kit. Can expand up to 3 total 50-Watt panels in parallel using the Grape Solar 50-Watt expansion kit (GS-50-EXP). Boat, Cabin, RV, Shed, Vehicle. The item "50W Watt Off-Grid Solar Power Panel Kit RV Boat Charge 12v Battery with Controller" is in sale since Friday, April 28, 2017. This item is in the category "Home & Garden\Home Improvement\Electrical Supplies\Alternative Energy Supplies\Solar Power Supplies\Solar Panels & Kits". The seller is "wavesaren" and is located in Rancho Cucamonga, California. This item can be shipped to United States.