The off-grid Solar Power System is composed by solar Pv, storage batteries, solar intelligent charger controller, inverter, load electrical cable. Generating power may design according to the requirement to make an optimal system. lt can be used without any further cost for a long time after once investment .And off-grid solar power system has the features of many advantages such as safety,energy-saving,non-noise&cleaning,envurionment-friendly,non-pollution convenience, etc. lt is widely used in remote village without electricity, telecommunication, pasture area, scenic resort, villas and islands etc.