MPPT Solar Controller Kit Photovoltaic Charge Discharge Controller with Temperature Probe Item Type: Solar Controller Kit Rated Charging Current: 30A Maximum PV Input Power: 390W/12V , 780W/24V Other Functions: Black light LCD display, common negative electrode, support lithium battery, more safety protection Protective Function: PV overcurrent; PV short circuit; PV reverse connection; night reverse charge; battery reverse connection; battery overvoltage; battery overdischarge; battery overheating, controller overheating; lithium battery low temperature; load short circuit; MT-50 Features: 1. Automatically identify the controller and display relevant parameter data 2. The large screen information LCD displays all operating data and system working status 3. Simple and convenient operation 4. Real time alarm of fault information 5. The communication distance based on RS485 is longer 6. Programmable parameters 7. Energy statistics display function Multiple Load Control Modes: Manual control, light on and off, light on + timer, time control Battery Type Selection: Gel, sealed, submerged and user (programmable) Remote Temperature Sensor (TS-R): Cable Length: Approx. 3 meter / 9.84ft Connector: 0.0125ft, 2P Test Temperature: -131℉~257℉ If the controller is not connected to TS-R, the battery charge and discharge temperature is set to 25℃ by default without temperature compensation RS485-150U Cable: Used to monitor each controller on the network and update firmware using the Solar Station PC software.