The Avalon HV ESS is truly an all-in-one, whole-home backup system. The system combines a hybrid inverter, high-voltage battery, and a smart energy panel. The Avalon smartly switches between solar, battery, and grid power to make sure you’re using energy in the most efficient way possible. The Avalon captures any extra solar energy your panels produce during the day and stores it for when you need it most. No electricity? No sun? No problem.