By storing any excess renewa bles and smoothing out the energy output, large-scale battery energy storage systems (BESS) enable variable energy shifting and ensure power supply is available and sufficient when needed.  Solarthon large-scale energy storage solution involves the use of state-of-the-art lithium-ion battery technologies, fire suppression systems, liquid cooling units, monitoring systems, etc. to reliably store energy on a utility level. It is designed to improve resilience, reliability, and efficiency for renewable energy storage and has demonstrated field-proven performance in various application scenarios.