Battery configuration is the heart of any home energy storage project. Below I walk through how to choose the right battery type, common capacity-design mistakes, sizing approaches for three real-world scenarios, and two technical factors you mustn't ignore. . In this technical article we take a deeper dive into the engineering of battery energy storage systems, selection of options and capabilities of BESS drive units, battery sizing considerations, and other battery safety issues. Let's explore how to design this electrical pantry effectively.