Solar batteries are effective storage houses for the solar energy produced the whole day. The energy that is being attracted and absorbed for the sun is not going to be utilized completely and there is definitely a little bit of it that stays unused. In such cases, there are two choices for people. One- either send it back to the electrical grid that is going to be of no use or try to store the excess in solar batteries that which can be effectively used in the future.
It is mostly the second option that people opt to go for and it is for this reason that we have the solar batteries that help in storing this excess energy that is abstracted from the sun. A situation for a power outage is always an expected situation and hence it is a wise option to store the extra energy produced by our solar electrical grids that can be put to future use. This is also considered a very feasible and wise option for we not only get to save on the power bills but also try to have a storage back-up that can be used at times of emergency. So try shifting your preferences to solar electric panels and solar storage batteries for they would last a lifetime with undying energy supply.