This article breaks down the key components inside a BESS, what each does, and why they matter when you design, buy or operate a system. Battery Modules & Cells The battery modules are the heart of any BESS. A battery contains lithium cells arranged in series and parallel to form modules, which stack into racks. Racks can connect in series or parallel to meet the BESS voltage and current. . A Battery Energy Storage System (BESS) is made up of several parts that work together to store, manage, and deliver electricity safely and efficiently. For global project developers, EPCs, and asset owners, mastering both aspects is critical for ensuring. . Central solar inverters are used to convert DC power from solar panels into AC power so it can be used by homes or businesses or connected to the grid.
