... seasonal power output difference of wind and solarIndependent system, no city grid cable neededEasy installation, simple operation, applicable ... Otherwise the system will have problem such as complete no power in raining season or even safety issue. ... timeBase telecom device≤20WDC12V/5V24 hours3. Solution design No.ComponentsModel No.SpecificationQTY1Wind generatorHY-400L 48V400W 24V, 5 blades low ...