Cables will carry the electricity into the house. Inside the house, the control panel routes the electricity to where it's needed. The control panel feeds excess electricity into the batteries. When the sun isn't shining, appliances draw energy from the batteries. These are gel type batteries.
Some people use lead-acid.
This is a passive solar home meaning that it gets its heat from the sun. Large south-facing windows allow the sun to gently warm the massive concrete floor. The floor in this house has water pipes running through it to circulate warm water when its cold. On cold nights these thermal, quilted shades are lowered to keep the heat inside the house. These custom-made, thermal shades have a sheet of reflective mylar sewn inside which helps make them more efficient.