50kW 100kWh & 100kW 241kWh Commercial & Industrial BESS | ONESUN Battery Manufacturer

As the global energy transition enters an accelerated phase, Commercial & Industrial Battery Energy Storage Systems (C&I BESS) have become a critical tool for enterprises seeking to enhance power reliability, reduce energy costs, and maximize the utilization of renewable energy. As a world-recognized integrated energy storage solution provider, ONESUN leverages its strong battery R&D and manufacturing capabilities along with a diversified product portfolio to deliver high-performance systems such as 50 kW 100 kWh and 100 kW 241 kWh solutions—fully embodying a strategy of “designing the optimal solution based on real customer needs.”

Among these configurations, the ONESUN 50 kW / 100 kWh industrial-grade energy storage system is specifically engineered for small to medium-scale commercial and industrial users. It adopts high-safety LiFePO4 (Lithium Iron Phosphate) battery cells with a cycle life exceeding 6,000 cycles, ensuring long service life while maintaining exceptional safety performance. The system supports flexible operation modes including three-phase output, on-grid, off-grid, and backup power applications. Its modular all-in-one cabinet design enables rapid deployment and significantly reduces on-site installation complexity.

For customers with higher power and energy demands, the ONESUN 100 kW 241 kWh indoor cabinet ESS (Energy Storage System) provides an advanced level of energy backup and management. Supporting three-phase output and multiple operating modes—grid-tied, off-grid, and hybrid—it is well suited for complex applications such as large commercial complexes, industrial parks for peak shaving, critical load backup, and deep integration with photovoltaic and other renewable energy systems. With a rated power of 100 kW and an energy capacity exceeding 240 kWh, this system delivers stronger load support and longer discharge duration, fundamentally enhancing enterprise energy control and supply reliability.

As an industry leader, ONESUN not only pursues excellence in product performance and safety but also makes significant investments in intelligent system management. Its C&I BESS solutions are equipped with advanced EMS (Energy Management System) and remote monitoring capabilities, allowing real-time tracking of battery status, operating efficiency, and power flow. Through cloud-based platforms, operators gain full visibility and intelligent control over their energy storage assets, greatly improving system efficiency and operation & maintenance experience.

Notably, ONESUN adheres to a vertically integrated supply chain strategy. From battery cell sourcing and pack assembly to inverter integration and complete system design, the company maintains full control over core components to ensure industry-leading standards in safety, stability, and lifespan. According to ONESUN, its systems utilize Class A LiFePO4 cells from China’s top five battery brands, supported by strict quality management processes that guarantee reliable energy storage solutions for global customers.

From an international perspective, since its establishment in 2014, ONESUN has upheld the philosophy that “quality and safety are the lifelines of the enterprise,” actively promoting clean energy storage deployment worldwide. To date, its commercial and industrial energy storage systems have been installed across multiple countries and regions, with cumulative deployment reaching gigawatt-scale capacity. Customer satisfaction rates exceeding 90% further demonstrate the reliability, stability, and customization capabilities of ONESUN solutions.

For enterprises pursuing energy transition and power independence, choosing a trustworthy BESS solution is not only essential for daily operational stability and safety but also critical for long-term cost optimization and sustainable development. ONESUN’s 50 kW 100 kWh and 100 kW 241 kWh energy storage systems serve both small- and large-scale commercial and industrial applications, offering flexible configurations tailored to specific project requirements to ensure customers receive truly fit-for-purpose energy storage solutions.

In summary, with its advanced battery technology, comprehensive product portfolio, and intelligent energy management capabilities, ONESUN has become a key player in the global commercial and industrial energy storage market, empowering businesses across industries to achieve more efficient, safer, and greener energy management.

Article Source: Lithium battery manufacturer - ONESUN China

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