The whole solar system is able to provide the user with free electricity by solar energy.
Solar Panels: Convert the solar energy into DC electricity
Charge contoller: Regulates the charge of solar electricity into the batteries
Lithium Batteries: Stores solar electricity
lnverter: Convert DC elecricity into AC electricity,same quality as the utity elecricity and regulates the ACcharge to the batteries from the utlity or generator source