Our mission is to provide clean, affordable, and reliable energy for all. sonnen designs the smartest and safest residential battery systems that keep homes powered, day and night — even during power outages. With 50,000 cobalt-free batteries installed since 2010, sonnen is a global pioneer in energy storage technology. Each sonnen system comes with an unbeatable warranty and seamlessly integrates with solar and leading home automation systems for cleaner, healthier living.