Focusing on scenarios such as wind power and photovoltaic new energy storage, commercial and industrial energy storage, residential energy storage, and base station backup energy storage, we provide high-performance energy storage lithium battery systems. It can effectively absorb intermittent wind and solar power, realize electric energy storage, peak shifting power consumption and emergency power supply. With high cycle life, safety and stability, it adapts to multiple off-grid and grid-connected energy storage modes, helping the efficient utilization of new energy and energy saving and consumption reduction.