500WH 1kWh solar system can be charged by solar, to store the electricity, with inverter built-in, can directly supply the power to the electric appliances when power outage. It is one comprehensive storage system integrating generation, storage and usage. Unlike generators, 500wh/1kWh solar system need no maintenance, no fuel consumption, and no noise, make your home lights always on, home appliances always run. It is easy to install, simple design, and perfect fit for a variety of architectural styles, apply for family, business, industry, aquaculture, planting, field work, camping tourism, night market, etc.