The new battery system keeps its modular design, with capacity offerings from 9-18 kilowatt-hours per battery cabinet. You're also getting a much needed power boost, with 5. 3 kilowatts of output, depending on how many modules are in the battery cabinet. . Energy storage cabinets are devices that can store electricity for later use, with varying capacities depending on the technology and design used. Also, suppress load jumps, regulate frequency and voltage, and improve power factor. As renewable energy adoption skyrockets, these metallic powerhouses have become the Swiss Army knives of energy management, growing into a $33 billion global industry that's rewriting how we store. .