... :400wAdvantage: light weight, small volumeStarting wind speed:2.5m/sRated wind speed:12m/sSecurity wind speed:45m/sWeight:17kg3years warranty,20year use ... consumption data is based on areas with average wind speed of 4.5m/s and average daily peak ... Battery-reverse connection protection,Lightning protection, Wind turbine current limiting,Wind turbine automatic brake and manual brake.QTY1pcInverter ...