Mucus (Definition) 1  Like material that functions to moisten and protect inner body surfaces. The viscous slippery substance that consists chiefly of mucin, water, cells, and inorganic salts and that is secreted as a protective lubricant coating by the cells and glands of the mucous membranes.
Solar Charge Controllers. Solar charge controllers are designed to do two primary things within a solar power system: optimize the charging of your deep cycle batteries by the solar panels and prevent electricity from the batteries from going through the solar panels when there is no sun.
The basic RV charging system is called a Converter-Charger. Its primary function is to convert 120v shore power to 12V DC power so that your battery does not need to provide DC while you are plugged in. Its secondary function is to charge the battery(s) when and if it has excess capacity.