# Containerised Energy Storage Cabinet 20 ft / 40 ft containerised energy storage AC cabinet for projects on brownfield sites, on tight schedules or requiring a single lift. 20 ft / 40 ft containerised energy storage AC cabinet for projects on brownfield sites, on tight schedules or requiring a single lift. Fully pre-assembled and pre-wired, so only the foundation and grid connection remain on site — ideal for fast delivery and phased expansion. Sizing calculations, simulation and OEM/ODM delivery are available, with voltage level, capacity and interfaces adapted to each project.