To maximize the economic aspect of configuring energy storage, in conjunction with the policy requirements for energy allocation and storage in various regions, the paper clarified the methods for configuring distributed energy storage systems and summarized. To maximize the economic aspect of configuring energy storage, in conjunction with the policy requirements for energy allocation and storage in various regions, the paper clarified the methods for configuring distributed energy storage systems and summarized. DERs are small modular energy generators that can provide an alternative to traditional large-scale generation. DERs can improve energy reliability and resilience by decentralizing the grid. Simplify deployment with plug-and-play designs and scalable solutions for utility-scale and behind-the-meter storage. AZE Telecom, a leading manufacturer of BESS cabinets. This article explores the evolution of energy storage integration technology, from early centralized solutions to the latest distributed systems. We discuss how innovations like small cabinet designs are transforming efficiency, safety, and scalability in energy storage systems, marking a new era. Application areas: It can be applied to load peak shaving, peak-valley arbitrage, backup power supply, peak load regulation, frequency regulation and microgrids. The system has two operating modes: grid-connected and independent. Distributed Energy Storage is a crucial component in the transition to a cleaner, more resilient energy system. ConnectDER - ConnectDER make.