Features:Tocontrol the charge of wind turbine generator battery. Protect the wind generator and prevent the battery from overcharging. Made of high quality material for long durability and stable performance. Easy to install and convenient to use. Single phase and three phase for you to choose. Specifications:Condition: 100% Brand NewShell Material: Aluminum + Epoxy ResinColor: BlackType: Single Phase, Three Phase(Optional) For Single PhaseRated Power: 300WBattery Rated Voltage: DC 12VController Output Current: 15AController Output Voltage: 14.20.3VStart Braking Voltage: 14.50.5VRecover Charging Voltage: 13.50.5VWeight: approx. 121gConnection Method: 2 yellow wires are connected to wind turbine generator, red wire for battery positive pole, green wire for battery negative pole.For Three PhaseRated Power: 300WBattery Rated Voltage: DC 12VController Output Current: 10AController Output Voltage: 14.20.3VStart Braking Voltage: 14.20.5VRecover Charging Voltage: 13.50.5VWeight: approx. 247gConnection Method: 3 yellow wires are connected to wind turbine generator, red wire for battery positive pole, black wire for battery negative pole.Package Included:1 x Wind Turbine Generator Charge Controller