FeaturesRecognize the voltage of the solar system automatically.The efficiency is more than 90% due to the PWM technology.Over-load and short-circuit protection.Over-charge and over-discharge protection.Over-voltage and low-voltage protection.Reverse discharge and reverse polarity protection.Temperature compensation function.The IP68 protection.SpecificationsVoltage of battery: 12V / 24VMaximum voltage of solar panel: 36VMaximum power of solar panel: 120W for 12V battery, or 240W for 24V batteryMaximum charging current: 10ANet weight: 206gPackage Content:1 x Solar Charge ControllerNotes1. Please make sure that the rated voltage of battery is 12V or 24V.2. You have to connect the battery at first, then the solar panel and the load.3. The controller will generate heat when working. Please install it in the ventilation environment.4. The controller will detect the environment temperature and then adjust the charging state. Please install the controller and the battery in the same environment.