Solar Battery Solar battery also known as solar panel battery, solar power battery or solar battery storage. It refers to devices that store energy generated from solar panel for later use. Solar battery designed to connect with solar charger controller or solar inverter for power backup. All types of solar system run the connected load in the day time during sunlight and export the extra electricity to solar batteries with off grid solar system and hybrid solar system. Solar batteries work for energy storage generated from solar panels during the day. They save energy as DC energy and therefore, you will need a power inverter to convert DC energy into AC energy. Some of the major contributors to the cost of solar battery are chemical substances and plates that make up the battery, battery life cycle, storage capacity and usable capacity Whether you choose a battery manufactured by a state-of-the-art startup or a manufacturer with a long history depends on your preferences. An evaluation of the quality and warranties associated with each product can give you additional guidance when making your decision.