Specification:Item Type: Wind Solar ControllerMaterial: ABSWeight: Approx. 2216g/78.2ozHost Size: Approx. 168x145x61mm / 6.6x5.7x2.4in Housing Colour: BlueProduct Introduction: GPI series wind and solar power controller is designed for small off-grid wind and solar power system.Functional features:1. Wind breeze charging, MPPT boost intelligent regulation.2. Wind PWM infinitely unloading, external unloader, solar intelligent disconnect charging.3. Controller dual power supply function: battery + solar power supply.4. LCD display of battery, fan, solar energy, load voltage and current information, some parameters can be set.5. Load output in various working modes.6. High performance stable chip control.7. The internal circuit board of the controller is sprayed with triple proof paint to guard against dust, moisture and static electricity.Controller System Parameters:System Rated Voltage: 12/24V automatic identificationMaximum Input Voltage: Wind Turbines No Load Current (DC): ≤0.05AThe Controller Takes Power: Battery or photovoltaic panel to take powerControl Method: Fan MPPT boost charging function, PWM unloading function, PWM overcurrent limiting functionLoad: A variety of working modes are available: pure light control mode, normally open mode, light control + time control mode (four periods + morning light)Display Mode: LCD, Chinese display, clear and intuitiveDisplay Parameters: Voltage, battery power, current, power, load mode, temperature, etc.Protection Type: Solar battery anti reverse charging protection, battery open circuit protection, battery reverse connection protection, overcurrent and overvoltage soft automatic braking protection, overload protection, etc.Heat Dissipation Method: Aluminum heat dissipation and self coolingOperating Temperature And Humidity Range: -20~+55℃/35~85%RH (but no condensation)Applicable Battery: General acid lithium