Integrated storage cabinets combine battery modules, inverters, cooling, and control systems into one pre-tested unit, requiring only wiring on-site., 10. age Systems are structured in two main parts. The power conversion system (PCS) handles AC/DC and DC/AC conversion, with energy flowing into the batteries to charge them or being converted from the batter storage into AC power and fed into the grid. A battery module cabinet is not just a metal enclosure.