When the power goes out, your home doesn't have to go dark. With a backup power system, you can keep the lights on and maintain essential systems and functions, no matter what happens to the traditional power grid. A backup battery system is a great investment for any home. It's an especially good choice for those who live in areas that are prone to severe weather conditions that can cause power outages. With a backup battery in place, you'll be able to maintain your normal routine — no matter what Mother Nature throws your way.