Discover® Energy CUB is designed to endure the most extreme environments, and provide robust power and energy storage for off-grid, grid support, battery back up and renewable energy applications. The Containerized Universal Battery (CUB) combines the best energy storage, power conversion and control systems into a standard 10, 20 or 40 foot shipping container. Our CloudEnergy NetworkTM architecture allows for any number of Energy Cells to be connected together, to support a wide range of power and energy storage requirements.