.Solar Panel: Solar panel is the central part of the SPS and the most valuable part.Its function is to convert the solar power into electricity power,or transfer the electricity power into battery to save,or impulse the load working.
Solar controller: The function of the solar controller is to control the working condition of the whole system and provide overcharge and discharge protection for the battery.In the area with great difference in temperature. The qualified controller should has the functionof compensating temperature.
The controller should has the optional function: light-contrlled switch, time-controlled switch