KSTAR Unveils Full-Spectrum Energy Storage Portfolio at SNEC ES+ 2025

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With global demand for reliable and resilient energy systems on the rise, China has placed energy storage at the heart of its renewable transition strategy, aligning with the national “dual-carbon” goals and the push for a more flexible, secure power grid. In this context, KSTAR introduces products that directly address the diverse needs of customers.

A highlight at the booth is the BluePulse Series KAC125DP2-BC233DE2, an all-in-one C&I energy storage system. Powered by CATL cells, the system integrates dual fire protection for enhanced safety and long-term reliability. Its built-in STS enables automatic on/off-grid transition and genset control, providing uninterrupted power even during outages. The system also allows up to 6 units off-grid and up to 20 units on-grid, making it suitable for facilities with scaling energy needs.

For homeowners, KSTAR introduces the BlueSpark Series, an all-in-one hybrid energy system available in single-phase (3.68–6 kW) and three-phase (4–12 kW) models. Both versions feature high-performance battery cells with a 10-year battery performance warranty and support on/off-grid parallel connection, enabling families to maintain power during outages while reducing dependence on grids. For enhanced safety, optional AFCI protection further reduces fire risk.

The Knight Series hybrid inverter is also on display, supporting lead-acid and LFP batteries, with wide PV and AC input ranges for greater compatibility. Its diesel generator design provides reliable backup, while support for 4 parallel units makes expansion for growing household energy needs.

On the utility side, the latest GSE3600D PCS and GSE7200D-MV Containerized Energy Storage & Transformer system is unveiled. These systems feature a three-level topology offering over 99% efficiency and 30ms fast charge/discharge switching, which is essential for frequency regulation. With a four-port dual-network redundant design, the system ensures stable data transmission. Its medium-voltage integrated design, compatible with both dry and oil transformers, provides configuration flexibility. Built with high environmental adaptability — withstanding high altitude, extreme cold, heat, humidity, sand, and salt-mist conditions — the solution provides long-term reliability for large-scale renewable projects.

Beyond energy storage solutions, KSTAR also presents integrated UPS solutions for new energy systems. Together, these solutions demonstrate the company’s ability to serve markets from households, C&I to utility providers, aligning with global efforts to enhance energy security, cut emissions, and enable a more resilient power infrastructure.

By integrating advanced technology with real-world needs, KSTAR aims to empower communities, strengthen businesses, and support governments in accelerating the transition toward net-zero. With a commitment to continuous innovation and global collaboration, KSTAR is ready to play a leading role in shaping an energy future that is sustainable, resilient, and inclusive.