It is important to know that LG Chem worked for years to develop their residential solar batteries. A LG Chem solar battery is able to store excess energy generated by your rooftop LG solar panels for later use, such as after the sun has set or during a blackout. Essentially, when your panels produce more energy than your home can use, the LG Chem battery pack stores the electricity generated from your roof instead of sending it back to the electric grid. Later, when your solar panels can’t produce enough energy for your home, such as when it’s dark outside, the electricity stored in the solar battery can be used.
Overall, the batteries maximize a property’s consumption of solar energy and also act as a source of backup power if the solar grid were to go down. While the batteries do have backup power capabilities, they are not intended for off-the-grid living.