RV Solar Panel 12W Mono Solar Battery Charger Panel Adaptive Integrated Voltage Regulation Module Intelligent Control with Charge Controller 30A Item Type: RV Solar PanelMaterIal: Polysilicon + metal + ABS Protection Class: IP65 Solar Panel Power: 12W Solar Panel Working Voltage: 18V Solar Panel Open Circuit Voltage: 21.6V Solar Panel Short Circuit Current: 0.55A (Maximum) Controller System Voltage: 12v/24v Adaptive Controller Working Temperature: -35°—+60° Output Port: Dual USB, DC 5521 Female plug Solar Panel Size: Approx. 280x280x3mm/11.02x11.02x0.12in Features: Integrated Voltage Regulation Module, 5V Dual Usb Regulated Output Application:Can be widely used in batteries for motorcycles, boat, tractor, trailer, truck, lawn mower, RV etc. Also be used for gate openers, electric fences, chicken coops, sheds, and lights