Features: 1.Excellent Performance: Intelligent 3?stage PMW charging improves charging efficiency,12V/24V system voltages are automatically recognized. 2.Function: Solar panel regulator can effectively prevent the battery from non equalization and sulfuration, extending the battery's service life. 3.Temperature Compensation: With temperature compensation employed, charging parameters can be automatically adjusted. 4.Multiple Protection: Solar charge controller has multiple protection functions: Battery over voltage, output overload, short circuit protection. 5.Professional Design: Boastiong an industrial grade design,the solar battery regulator can function well in various tough conditions. Specification: Item Type: Solar Charge Controller Material: Metal Charging Type: PWM System Voltage: 12/24V automatic identification Open Circuit Losses: 10mA/12V;13mA/24V System Current: 10A Rated Power: 150W/12V; 300W/24V Photocontrol Voltage: Photocontrol open 5V; Photocontrol close 6V Temperature Compensation Coefficient: -4.0mV//2V (Lithium battery without temperature compensation) Light Control Judgment Time: 1min Operating Temperature: -35 - +65 Protection Level: IP68 Overload and Short Circuit Protection: 1.25 times rated current for 30 seconds; 1.5 times rated current 5 seconds overload protection action; 3 times rated current short circuit protection. Applicable Scenarios: Household, base station, rv, yacht, ship and other solar photovoltaic system