ALL-IN-ONE SYSTEM home / products / all-in-one system Integrated All-in-One Systems Simplify your energy storage needs with our all-in-one systems, which combine batteries, inverters, and management systems into a single, compact unit. These solutions are designed for easy installation and optimal performance. All-in-One System HJ-HSH48 energy storage system includes a 3kw or 5kw solar inverter and a lithium battery storage with optional energy ranging from 5120-10240Wh.