Batteries for solar energy storage at homes is tailored to store the surplus energy produced by solar panels installed at homes. It captures solar - produced power during the day and stores it for use during cloudy days and nighttime. These batteries, which often use lithium - ion or LiFePO4 chemistries, boast high energy density and long cycle life, providing efficient storage and retrieval of solar energy. They aid in utilizing solar energy to cut down reliance on the grid, decrease electricity expenses, and provide backup power during outages.