The Ecowareness 220-Watt Solar Portable Briefcase Kit puts 12-volt charging capability in an easy-to-carry design that's great for boats, RVs, and backup power. Built with a crystalline solar panel and an aluminum frame with a tilt mount for positioning at an optimal angle to collect solar rays. This kit comes complete with all necessary accessories and a charge controller to protect your battery from overcharging and discharging and to regulate the voltage.• Crystalline panel provides higher efficiency• Charges most portable 12-volt devices• Rated for outdoor use• Corrosion-resistant aluminum frame for durability• Sealed against moisture• Plug-and-play connections for fast and easy setup• Charge controller included• Most adapters to directly connect to your RV OEM solar inputsWhat's IncludedBriefcase Solar PanelCharge ControllerBattery Clamp SetAdditional Adapters / ConnectorsSpecs: Solar Panel: MonocrystallineMaximum Power: 215 WattVoltage at Pmax (Vmp): 21.8VCurrent at Pmax (Imp): 12.3AOpen Circuit Voltage (Voc): 20.1VTolerance: ± 3%Operating Temperature: -40°C to +85°CProtection Class: Class AMaterial: Aluminum, Glass Construction & SteelDimensions (Closed): 24.2 x 22.8 x 2.6 in Aluminum frame with a tilt mount for positioning at optimal angle Plug-and-play connections for fast & easy setup Includes charge controller to protect battery from overcharging & discharging | RDK Products Ecowareness 220-Watt Solar Portable Briefcase Kit