With the broad application of the renewable energy, solar energy as a natural and resource-rich energy has come into our daily life.Household solar power system is a kind of portable and mobile power supply. All its components contains solar modules, system control cabinet and batteries. It can meet the electricity requirements of lighting, broadcast, TV set etc. It has the advantages of stable, easy to install and operate, moveable. Especially appropriate for the places that far away from the grid such as: exurb, grassland, islands, desert and mountainous area etc.