The battery module is the core component, responsible for storing electrical energy in chemical form. There are many different chemistries of batteries used in energy storage systems. For this guide, we focus on lithium-based systems, which dominate over 90% of the market. These cabinets are integral in residential, commercial, and industrial applications, providing a reliable. For renewable system integrators, EPCs, and storage investors, a well-specified energy storage cabinet (also known as a battery cabinet or lithium battery cabinet) is the backbone of a reliable energy storage system (ESS).