... System ... .4.With intelligent display system,it can indicate the ... 5.With intelligent control, the system is equipped prorections of short ... overdischargingSpecification of 20W solar power system: Part NameItemTechnical DataSolar Power ... charging and discharging management system load outputInverter150W with UPS function12V ... ABSFunctionCharger for household power generation system , fans, TV, computer, ...