Built using advanced Lithium-Iron Phosphate (LFP) cells, intelligent Battery Management Systems (BMS), and a fully integrated Energy Management System (EMS), our 1 MWh solution provides safe, scalable, and smart energy storage — ideal for renewable integration, backup. Built using advanced Lithium-Iron Phosphate (LFP) cells, intelligent Battery Management Systems (BMS), and a fully integrated Energy Management System (EMS), our 1 MWh solution provides safe, scalable, and smart energy storage — ideal for renewable integration, backup. What is a 1MWh Container Energy Storage System? A 1MWh container energy storage system (ESS) is a self-contained battery storage unit that integrates lithium-ion battery modules, a power conversion system (PCS), an energy management system (EMS), and auxiliary safety equipment into a standard. Features of Sunway Energy Storage Container Energy Storage System1、Multilevel protection strategy to ensure the safe and stable operation of the system. 2、The technology is mature and stable through inspection and testing by many stakeholders. 3、Multi-scenario application, flexible configuration and. HighJoule's 1MWh energy storage container system provides cutting-edge solutions to meet the growing demand for clean, reliable and scalable energy storage. The standardized 40ft container system can be configured with 1MW 2MW energy storage system. It meets the application needs of regional power.