Bluesun's BESS Container Energy Storage Solution is designed for commercial, industrial, and utility-scale applications, offering scalable and flexible energy storage in 20ft and 40ft containers. Bluesun BESS container energy storage solution integrates lithium battery systems, PCS, BMS, and energy management into standardized 20ft and 40ft. Our company is specialized in producing Sail Solar BESS Battery Energy Storage System Container,We have a complete industrial chain with customers all over the world. Storage size for a containerised solution can range from 500 kWh up to 6. 5. Battery Energy Storage System (BESS) containers are rapidly becoming the backbone of modern power networks, enabling utilities, developers, and IPPs to stabilise grids and maximise renewable-energy revenue.