sonnen is a German company specializing in high-end energy storage solutions for residential and small commercial properties. Their eco and ecoLinx product lines are all-in-one battery storage products designed to integrate with solar panel systems and provide various smart home energy capabilities. As of early 2019, sonnen is owned by Royal Dutch Shell.
Want to learn more about sonnen's eco battery line in comparison to the rest of the solar storage industry? Check out EnergySage's complete review of the product.