... heat dissipation.2,System DescriptionThe controller for the solar power system, solar DC lamp system design, intelligent controller using the ... the status. Battery may not be normal.(4) Connected photovoltaic cells: to connect the controller battery terminal coating, ... 4,HelpPhotovoltaic Battety and Overpressure Indicator .With sunlight to photovoltaic, SOLAR LED is solid green, green flash, it said ...