Features 1High Speed Microprocessor: Using high speed CPU microprocessor and high accuracy A/D analog to digital converter it is a microcomputer data acquisition and monitoring control system. 2Multiple Protections: Solar charge discharge controller is equipped with overcurrentshort circuit reverse polarity protection low voltage overcharge protection safe to use. 3Protective Coating: The solar charge controller is protected with a moisture barrier coating that minimizes damage from humidity and nesting insects. 4Data Transmission Function: It has the function of serial communication data transmission which can centrally manage and remotely control multiple photovoltaic system sub stations. 5Wide Application:Solar controller is suitable for agricultural solar power generation systems solar street lights ships and other systems. Specification Item Type: Solar Charge Discharge ControllerMaterial: ABSTemperature Compensation: -3mv//BatteryNo Load Loss: <45mALoop Pressure Drop: <200mv Package List 1 x 30A SolarChargeDischargeController1 x User Manual1 x Safety Plate